Home / 51,546,007.20-77,317,261.20-13,207,897.20

Finding the Fourth Proportional to 51,546,007.20, 77,317,261.20 and 13,207,897.20

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Solution

The fourth proportional to 51,546,007.20, 77,317,261.20 and 13,207,897.20 is: 19,811,397.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,546,007.20 : 77,317,261.20 = 13,207,897.20 : x
  2. Step 2: Convert to fraction form
    51,546,007.20/77,317,261.20 = 13,207,897.20/x
  3. Step 3: Cross multiply
    51,546,007.20x = 77,317,261.20 × 13,207,897.20
  4. Step 4: Simplify right side
    51,546,007.20x = 1,021,198,437,715,148.62
  5. Step 5: Solve for x
    x = 1,021,198,437,715,148.62/51,546,007.20
  6. Step 6: Final answer
    x = 19,811,397.49

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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.