Home / 28,377,442.61-39,160,870.40-15,324,701.14

Finding the Fourth Proportional to 28,377,442.61, 39,160,870.40 and 15,324,701.14

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Solution

The fourth proportional to 28,377,442.61, 39,160,870.40 and 15,324,701.14 is: 21,148,087.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,377,442.61 : 39,160,870.40 = 15,324,701.14 : x
  2. Step 2: Convert to fraction form
    28,377,442.61/39,160,870.40 = 15,324,701.14/x
  3. Step 3: Cross multiply
    28,377,442.61x = 39,160,870.40 × 15,324,701.14
  4. Step 4: Simplify right side
    28,377,442.61x = 600,128,635,202,681.88
  5. Step 5: Solve for x
    x = 600,128,635,202,681.88/28,377,442.61
  6. Step 6: Final answer
    x = 21,148,087.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.