Home / 21,642,306.64-29,866,393.61-11,853,366.46

Finding the Fourth Proportional to 21,642,306.64, 29,866,393.61 and 11,853,366.46

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Solution

The fourth proportional to 21,642,306.64, 29,866,393.61 and 11,853,366.46 is: 16,357,651.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,642,306.64 : 29,866,393.61 = 11,853,366.46 : x
  2. Step 2: Convert to fraction form
    21,642,306.64/29,866,393.61 = 11,853,366.46/x
  3. Step 3: Cross multiply
    21,642,306.64x = 29,866,393.61 × 11,853,366.46
  4. Step 4: Simplify right side
    21,642,306.64x = 354,017,308,208,449.62
  5. Step 5: Solve for x
    x = 354,017,308,208,449.62/21,642,306.64
  6. Step 6: Final answer
    x = 16,357,651.43

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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.