Home / 18,140,677.50-25,034,130.09-9,991,915.50

Finding the Fourth Proportional to 18,140,677.50, 25,034,130.09 and 9,991,915.50

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Solution

The fourth proportional to 18,140,677.50, 25,034,130.09 and 9,991,915.50 is: 13,788,840.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140,677.50 : 25,034,130.09 = 9,991,915.50 : x
  2. Step 2: Convert to fraction form
    18,140,677.50/25,034,130.09 = 9,991,915.50/x
  3. Step 3: Cross multiply
    18,140,677.50x = 25,034,130.09 × 9,991,915.50
  4. Step 4: Simplify right side
    18,140,677.50x = 250,138,912,475,287.41
  5. Step 5: Solve for x
    x = 250,138,912,475,287.41/18,140,677.50
  6. Step 6: Final answer
    x = 13,788,840.71

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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.