Home / 13,656,073.12-20,485,155.20-4,070,718.88

Finding the Fourth Proportional to 13,656,073.12, 20,485,155.20 and 4,070,718.88

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Solution

The fourth proportional to 13,656,073.12, 20,485,155.20 and 4,070,718.88 is: 6,106,389.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656,073.12 : 20,485,155.20 = 4,070,718.88 : x
  2. Step 2: Convert to fraction form
    13,656,073.12/20,485,155.20 = 4,070,718.88/x
  3. Step 3: Cross multiply
    13,656,073.12x = 20,485,155.20 × 4,070,718.88
  4. Step 4: Simplify right side
    13,656,073.12x = 83,389,308,032,370.17
  5. Step 5: Solve for x
    x = 83,389,308,032,370.17/13,656,073.12
  6. Step 6: Final answer
    x = 6,106,389.98

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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.