Home / 31,964,140.20-47,952,431.10-13,768,300.20

Finding the Fourth Proportional to 31,964,140.20, 47,952,431.10 and 13,768,300.20

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Solution

The fourth proportional to 31,964,140.20, 47,952,431.10 and 13,768,300.20 is: 20,655,129.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,964,140.20 : 47,952,431.10 = 13,768,300.20 : x
  2. Step 2: Convert to fraction form
    31,964,140.20/47,952,431.10 = 13,768,300.20/x
  3. Step 3: Cross multiply
    31,964,140.20x = 47,952,431.10 × 13,768,300.20
  4. Step 4: Simplify right side
    31,964,140.20x = 660,223,466,704,616.25
  5. Step 5: Solve for x
    x = 660,223,466,704,616.25/31,964,140.20
  6. Step 6: Final answer
    x = 20,655,129.86

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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.