Home / 7,116,347.16-9,813,218.81-6,087,261.60

Finding the Fourth Proportional to 7,116,347.16, 9,813,218.81 and 6,087,261.60

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Solution

The fourth proportional to 7,116,347.16, 9,813,218.81 and 6,087,261.60 is: 8,394,142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116,347.16 : 9,813,218.81 = 6,087,261.60 : x
  2. Step 2: Convert to fraction form
    7,116,347.16/9,813,218.81 = 6,087,261.60/x
  3. Step 3: Cross multiply
    7,116,347.16x = 9,813,218.81 × 6,087,261.60
  4. Step 4: Simplify right side
    7,116,347.16x = 59,735,630,004,074.38
  5. Step 5: Solve for x
    x = 59,735,630,004,074.38/7,116,347.16
  6. Step 6: Final answer
    x = 8,394,142.20

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.