Home / 21,328,966.96-31,996,768.20-6,948,687.04

Finding the Fourth Proportional to 21,328,966.96, 31,996,768.20 and 6,948,687.04

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Solution

The fourth proportional to 21,328,966.96, 31,996,768.20 and 6,948,687.04 is: 10,424,111.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,328,966.96 : 31,996,768.20 = 6,948,687.04 : x
  2. Step 2: Convert to fraction form
    21,328,966.96/31,996,768.20 = 6,948,687.04/x
  3. Step 3: Cross multiply
    21,328,966.96x = 31,996,768.20 × 6,948,687.04
  4. Step 4: Simplify right side
    21,328,966.96x = 222,335,528,513,224.12
  5. Step 5: Solve for x
    x = 222,335,528,513,224.12/21,328,966.96
  6. Step 6: Final answer
    x = 10,424,111.44

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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.