Home / 20,153,159.66-30,223,882.98-7,854,385.77

Finding the Fourth Proportional to 20,153,159.66, 30,223,882.98 and 7,854,385.77

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Solution

The fourth proportional to 20,153,159.66, 30,223,882.98 and 7,854,385.77 is: 11,779,296.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,153,159.66 : 30,223,882.98 = 7,854,385.77 : x
  2. Step 2: Convert to fraction form
    20,153,159.66/30,223,882.98 = 7,854,385.77/x
  3. Step 3: Cross multiply
    20,153,159.66x = 30,223,882.98 × 7,854,385.77
  4. Step 4: Simplify right side
    20,153,159.66x = 237,390,036,392,257.19
  5. Step 5: Solve for x
    x = 237,390,036,392,257.19/20,153,159.66
  6. Step 6: Final answer
    x = 11,779,296.17

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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.