Home / 21,340,071.33-32,010,130.08-9,988,491.57

Finding the Fourth Proportional to 21,340,071.33, 32,010,130.08 and 9,988,491.57

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Solution

The fourth proportional to 21,340,071.33, 32,010,130.08 and 9,988,491.57 is: 14,982,748.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,340,071.33 : 32,010,130.08 = 9,988,491.57 : x
  2. Step 2: Convert to fraction form
    21,340,071.33/32,010,130.08 = 9,988,491.57/x
  3. Step 3: Cross multiply
    21,340,071.33x = 32,010,130.08 × 9,988,491.57
  4. Step 4: Simplify right side
    21,340,071.33x = 319,732,914,338,645.44
  5. Step 5: Solve for x
    x = 319,732,914,338,645.44/21,340,071.33
  6. Step 6: Final answer
    x = 14,982,748.16

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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.