Home / 14,278,634.10-21,417,951.15-13,656,651.30

Finding the Fourth Proportional to 14,278,634.10, 21,417,951.15 and 13,656,651.30

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Solution

The fourth proportional to 14,278,634.10, 21,417,951.15 and 13,656,651.30 is: 20,484,976.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278,634.10 : 21,417,951.15 = 13,656,651.30 : x
  2. Step 2: Convert to fraction form
    14,278,634.10/21,417,951.15 = 13,656,651.30/x
  3. Step 3: Cross multiply
    14,278,634.10x = 21,417,951.15 × 13,656,651.30
  4. Step 4: Simplify right side
    14,278,634.10x = 292,497,490,415,984
  5. Step 5: Solve for x
    x = 292,497,490,415,984/14,278,634.10
  6. Step 6: Final answer
    x = 20,484,976.95

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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.