Home / 14,278,655.60-21,417,983.40-13,656,672.80

Finding the Fourth Proportional to 14,278,655.60, 21,417,983.40 and 13,656,672.80

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Solution

The fourth proportional to 14,278,655.60, 21,417,983.40 and 13,656,672.80 is: 20,485,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278,655.60 : 21,417,983.40 = 13,656,672.80 : x
  2. Step 2: Convert to fraction form
    14,278,655.60/21,417,983.40 = 13,656,672.80/x
  3. Step 3: Cross multiply
    14,278,655.60x = 21,417,983.40 × 13,656,672.80
  4. Step 4: Simplify right side
    14,278,655.60x = 292,498,391,329,631.50
  5. Step 5: Solve for x
    x = 292,498,391,329,631.50/14,278,655.60
  6. Step 6: Final answer
    x = 20,485,009.20

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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.