Home / 21,623,934.40-29,841,041.10-11,834,372.86

Finding the Fourth Proportional to 21,623,934.40, 29,841,041.10 and 11,834,372.86

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Solution

The fourth proportional to 21,623,934.40, 29,841,041.10 and 11,834,372.86 is: 16,331,440.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,623,934.40 : 29,841,041.10 = 11,834,372.86 : x
  2. Step 2: Convert to fraction form
    21,623,934.40/29,841,041.10 = 11,834,372.86/x
  3. Step 3: Cross multiply
    21,623,934.40x = 29,841,041.10 × 11,834,372.86
  4. Step 4: Simplify right side
    21,623,934.40x = 353,150,006,907,984.56
  5. Step 5: Solve for x
    x = 353,150,006,907,984.56/21,623,934.40
  6. Step 6: Final answer
    x = 16,331,440.91

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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.