Home / 21,728,690.10-32,608,349.28-10,214,681.58

Finding the Fourth Proportional to 21,728,690.10, 32,608,349.28 and 10,214,681.58

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Solution

The fourth proportional to 21,728,690.10, 32,608,349.28 and 10,214,681.58 is: 15,329,221.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,728,690.10 : 32,608,349.28 = 10,214,681.58 : x
  2. Step 2: Convert to fraction form
    21,728,690.10/32,608,349.28 = 10,214,681.58/x
  3. Step 3: Cross multiply
    21,728,690.10x = 32,608,349.28 × 10,214,681.58
  4. Step 4: Simplify right side
    21,728,690.10x = 333,083,904,744,622.25
  5. Step 5: Solve for x
    x = 333,083,904,744,622.25/21,728,690.10
  6. Step 6: Final answer
    x = 15,329,221.56

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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.