Home / 21,335,166.19-29,442,528.39-11,545,610.68

Finding the Fourth Proportional to 21,335,166.19, 29,442,528.39 and 11,545,610.68

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Solution

The fourth proportional to 21,335,166.19, 29,442,528.39 and 11,545,610.68 is: 15,932,942.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335,166.19 : 29,442,528.39 = 11,545,610.68 : x
  2. Step 2: Convert to fraction form
    21,335,166.19/29,442,528.39 = 11,545,610.68/x
  3. Step 3: Cross multiply
    21,335,166.19x = 29,442,528.39 × 11,545,610.68
  4. Step 4: Simplify right side
    21,335,166.19x = 339,931,970,225,787.19
  5. Step 5: Solve for x
    x = 339,931,970,225,787.19/21,335,166.19
  6. Step 6: Final answer
    x = 15,932,942.22

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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.