Home / 8,046,019.60-12,069,029.40-7,164,221.20

Finding the Fourth Proportional to 8,046,019.60, 12,069,029.40 and 7,164,221.20

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Solution

The fourth proportional to 8,046,019.60, 12,069,029.40 and 7,164,221.20 is: 10,746,331.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,046,019.60 : 12,069,029.40 = 7,164,221.20 : x
  2. Step 2: Convert to fraction form
    8,046,019.60/12,069,029.40 = 7,164,221.20/x
  3. Step 3: Cross multiply
    8,046,019.60x = 12,069,029.40 × 7,164,221.20
  4. Step 4: Simplify right side
    8,046,019.60x = 86,465,196,290,903.28
  5. Step 5: Solve for x
    x = 86,465,196,290,903.28/8,046,019.60
  6. Step 6: Final answer
    x = 10,746,331.80

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Double scale
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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.