Home / 7,179,617.40-10,769,426.10-5,164,078.20

Finding the Fourth Proportional to 7,179,617.40, 10,769,426.10 and 5,164,078.20

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Solution

The fourth proportional to 7,179,617.40, 10,769,426.10 and 5,164,078.20 is: 7,746,117.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179,617.40 : 10,769,426.10 = 5,164,078.20 : x
  2. Step 2: Convert to fraction form
    7,179,617.40/10,769,426.10 = 5,164,078.20/x
  3. Step 3: Cross multiply
    7,179,617.40x = 10,769,426.10 × 5,164,078.20
  4. Step 4: Simplify right side
    7,179,617.40x = 55,614,158,549,521.02
  5. Step 5: Solve for x
    x = 55,614,158,549,521.02/7,179,617.40
  6. Step 6: Final answer
    x = 7,746,117.30

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Double scale
Find fourth proportional to 7,179,618.40, 10,769,427.60 and 5,164,079.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.