Home / 21,367,419.75-29,487,065.18-11,577,856.37

Finding the Fourth Proportional to 21,367,419.75, 29,487,065.18 and 11,577,856.37

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Solution

The fourth proportional to 21,367,419.75, 29,487,065.18 and 11,577,856.37 is: 15,977,455.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,367,419.75 : 29,487,065.18 = 11,577,856.37 : x
  2. Step 2: Convert to fraction form
    21,367,419.75/29,487,065.18 = 11,577,856.37/x
  3. Step 3: Cross multiply
    21,367,419.75x = 29,487,065.18 × 11,577,856.37
  4. Step 4: Simplify right side
    21,367,419.75x = 341,397,005,221,543.62
  5. Step 5: Solve for x
    x = 341,397,005,221,543.62/21,367,419.75
  6. Step 6: Final answer
    x = 15,977,455.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.