Home / 9,939,517.20-14,909,275.80-4,554,248.40

Finding the Fourth Proportional to 9,939,517.20, 14,909,275.80 and 4,554,248.40

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Solution

The fourth proportional to 9,939,517.20, 14,909,275.80 and 4,554,248.40 is: 6,831,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939,517.20 : 14,909,275.80 = 4,554,248.40 : x
  2. Step 2: Convert to fraction form
    9,939,517.20/14,909,275.80 = 4,554,248.40/x
  3. Step 3: Cross multiply
    9,939,517.20x = 14,909,275.80 × 4,554,248.40
  4. Step 4: Simplify right side
    9,939,517.20x = 67,900,545,457,308.73
  5. Step 5: Solve for x
    x = 67,900,545,457,308.73/9,939,517.20
  6. Step 6: Final answer
    x = 6,831,372.60

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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.