Home / 19,119,122.24-28,690,641.05-7,759,570.86

Finding the Fourth Proportional to 19,119,122.24, 28,690,641.05 and 7,759,570.86

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Solution

The fourth proportional to 19,119,122.24, 28,690,641.05 and 7,759,570.86 is: 11,644,209.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119,122.24 : 28,690,641.05 = 7,759,570.86 : x
  2. Step 2: Convert to fraction form
    19,119,122.24/28,690,641.05 = 7,759,570.86/x
  3. Step 3: Cross multiply
    19,119,122.24x = 28,690,641.05 × 7,759,570.86
  4. Step 4: Simplify right side
    19,119,122.24x = 222,627,062,207,501.97
  5. Step 5: Solve for x
    x = 222,627,062,207,501.97/19,119,122.24
  6. Step 6: Final answer
    x = 11,644,209.37

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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.