Home / 28,891,560.85-43,338,864.88-7,326,348.86

Finding the Fourth Proportional to 28,891,560.85, 43,338,864.88 and 7,326,348.86

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Solution

The fourth proportional to 28,891,560.85, 43,338,864.88 and 7,326,348.86 is: 10,989,909.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,891,560.85 : 43,338,864.88 = 7,326,348.86 : x
  2. Step 2: Convert to fraction form
    28,891,560.85/43,338,864.88 = 7,326,348.86/x
  3. Step 3: Cross multiply
    28,891,560.85x = 43,338,864.88 × 7,326,348.86
  4. Step 4: Simplify right side
    28,891,560.85x = 317,515,643,307,282.06
  5. Step 5: Solve for x
    x = 317,515,643,307,282.06/28,891,560.85
  6. Step 6: Final answer
    x = 10,989,909.65

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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.