Home / 17,915,148.32-26,868,293.42-7,678,847.25

Finding the Fourth Proportional to 17,915,148.32, 26,868,293.42 and 7,678,847.25

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Solution

The fourth proportional to 17,915,148.32, 26,868,293.42 and 7,678,847.25 is: 11,516,372.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,915,148.32 : 26,868,293.42 = 7,678,847.25 : x
  2. Step 2: Convert to fraction form
    17,915,148.32/26,868,293.42 = 7,678,847.25/x
  3. Step 3: Cross multiply
    17,915,148.32x = 26,868,293.42 × 7,678,847.25
  4. Step 4: Simplify right side
    17,915,148.32x = 206,317,521,001,965.84
  5. Step 5: Solve for x
    x = 206,317,521,001,965.84/17,915,148.32
  6. Step 6: Final answer
    x = 11,516,372.48

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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.