Home / 21,044,932.56-29,033,977.49-12,781,877.94

Finding the Fourth Proportional to 21,044,932.56, 29,033,977.49 and 12,781,877.94

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Solution

The fourth proportional to 21,044,932.56, 29,033,977.49 and 12,781,877.94 is: 17,634,114.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,044,932.56 : 29,033,977.49 = 12,781,877.94 : x
  2. Step 2: Convert to fraction form
    21,044,932.56/29,033,977.49 = 12,781,877.94/x
  3. Step 3: Cross multiply
    21,044,932.56x = 29,033,977.49 × 12,781,877.94
  4. Step 4: Simplify right side
    21,044,932.56x = 371,108,756,325,978.19
  5. Step 5: Solve for x
    x = 371,108,756,325,978.19/21,044,932.56
  6. Step 6: Final answer
    x = 17,634,114.78

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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.