Home / 21,334,934.55-29,442,209.64-11,545,378.74

Finding the Fourth Proportional to 21,334,934.55, 29,442,209.64 and 11,545,378.74

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Solution

The fourth proportional to 21,334,934.55, 29,442,209.64 and 11,545,378.74 is: 15,932,622.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,334,934.55 : 29,442,209.64 = 11,545,378.74 : x
  2. Step 2: Convert to fraction form
    21,334,934.55/29,442,209.64 = 11,545,378.74/x
  3. Step 3: Cross multiply
    21,334,934.55x = 29,442,209.64 × 11,545,378.74
  4. Step 4: Simplify right side
    21,334,934.55x = 339,921,461,192,983.88
  5. Step 5: Solve for x
    x = 339,921,461,192,983.88/21,334,934.55
  6. Step 6: Final answer
    x = 15,932,622.64

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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.