Home / 21,340,072.83-32,010,132.33-9,988,493.07

Finding the Fourth Proportional to 21,340,072.83, 32,010,132.33 and 9,988,493.07

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Solution

The fourth proportional to 21,340,072.83, 32,010,132.33 and 9,988,493.07 is: 14,982,750.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,340,072.83 : 32,010,132.33 = 9,988,493.07 : x
  2. Step 2: Convert to fraction form
    21,340,072.83/32,010,132.33 = 9,988,493.07/x
  3. Step 3: Cross multiply
    21,340,072.83x = 32,010,132.33 × 9,988,493.07
  4. Step 4: Simplify right side
    21,340,072.83x = 319,732,984,947,987.94
  5. Step 5: Solve for x
    x = 319,732,984,947,987.94/21,340,072.83
  6. Step 6: Final answer
    x = 14,982,750.41

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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.