Home / 21,127,052.07-31,702,353.08-11,411,469

Finding the Fourth Proportional to 21,127,052.07, 31,702,353.08 and 11,411,469

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Solution

The fourth proportional to 21,127,052.07, 31,702,353.08 and 11,411,469 is: 17,123,563.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,127,052.07 : 31,702,353.08 = 11,411,469 : x
  2. Step 2: Convert to fraction form
    21,127,052.07/31,702,353.08 = 11,411,469/x
  3. Step 3: Cross multiply
    21,127,052.07x = 31,702,353.08 × 11,411,469
  4. Step 4: Simplify right side
    21,127,052.07x = 361,770,419,342,417.19
  5. Step 5: Solve for x
    x = 361,770,419,342,417.19/21,127,052.07
  6. Step 6: Final answer
    x = 17,123,563.58

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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.