Home / 21,340,069.92-32,010,127.97-9,988,490.16

Finding the Fourth Proportional to 21,340,069.92, 32,010,127.97 and 9,988,490.16

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Solution

The fourth proportional to 21,340,069.92, 32,010,127.97 and 9,988,490.16 is: 14,982,746.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,340,069.92 : 32,010,127.97 = 9,988,490.16 : x
  2. Step 2: Convert to fraction form
    21,340,069.92/32,010,127.97 = 9,988,490.16/x
  3. Step 3: Cross multiply
    21,340,069.92x = 32,010,127.97 × 9,988,490.16
  4. Step 4: Simplify right side
    21,340,069.92x = 319,732,848,198,743.31
  5. Step 5: Solve for x
    x = 319,732,848,198,743.31/21,340,069.92
  6. Step 6: Final answer
    x = 14,982,746.05

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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.