Home / 17,915,149.32-26,868,294.91-7,678,848.25

Finding the Fourth Proportional to 17,915,149.32, 26,868,294.91 and 7,678,848.25

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Solution

The fourth proportional to 17,915,149.32, 26,868,294.91 and 7,678,848.25 is: 11,516,373.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,915,149.32 : 26,868,294.91 = 7,678,848.25 : x
  2. Step 2: Convert to fraction form
    17,915,149.32/26,868,294.91 = 7,678,848.25/x
  3. Step 3: Cross multiply
    17,915,149.32x = 26,868,294.91 × 7,678,848.25
  4. Step 4: Simplify right side
    17,915,149.32x = 206,317,559,350,137.41
  5. Step 5: Solve for x
    x = 206,317,559,350,137.41/17,915,149.32
  6. Step 6: Final answer
    x = 11,516,373.97

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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.