Home / 21,321,784.53-29,423,952.14-11,532,218.49

Finding the Fourth Proportional to 21,321,784.53, 29,423,952.14 and 11,532,218.49

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Solution

The fourth proportional to 21,321,784.53, 29,423,952.14 and 11,532,218.49 is: 15,914,401.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,321,784.53 : 29,423,952.14 = 11,532,218.49 : x
  2. Step 2: Convert to fraction form
    21,321,784.53/29,423,952.14 = 11,532,218.49/x
  3. Step 3: Cross multiply
    21,321,784.53x = 29,423,952.14 × 11,532,218.49
  4. Step 4: Simplify right side
    21,321,784.53x = 339,323,444,860,122
  5. Step 5: Solve for x
    x = 339,323,444,860,122/21,321,784.53
  6. Step 6: Final answer
    x = 15,914,401.74

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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.