Home / 21,335,296.76-29,442,708.53-11,545,739.83

Finding the Fourth Proportional to 21,335,296.76, 29,442,708.53 and 11,545,739.83

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Solution

The fourth proportional to 21,335,296.76, 29,442,708.53 and 11,545,739.83 is: 15,933,120.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335,296.76 : 29,442,708.53 = 11,545,739.83 : x
  2. Step 2: Convert to fraction form
    21,335,296.76/29,442,708.53 = 11,545,739.83/x
  3. Step 3: Cross multiply
    21,335,296.76x = 29,442,708.53 × 11,545,739.83
  4. Step 4: Simplify right side
    21,335,296.76x = 339,937,852,577,901.75
  5. Step 5: Solve for x
    x = 339,937,852,577,901.75/21,335,296.76
  6. Step 6: Final answer
    x = 15,933,120.42

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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.