Home / 28,340,726.70-42,448,104.45-21,930,192.30

Finding the Fourth Proportional to 28,340,726.70, 42,448,104.45 and 21,930,192.30

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Solution

The fourth proportional to 28,340,726.70, 42,448,104.45 and 21,930,192.30 is: 32,846,549.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,340,726.70 : 42,448,104.45 = 21,930,192.30 : x
  2. Step 2: Convert to fraction form
    28,340,726.70/42,448,104.45 = 21,930,192.30/x
  3. Step 3: Cross multiply
    28,340,726.70x = 42,448,104.45 × 21,930,192.30
  4. Step 4: Simplify right side
    28,340,726.70x = 930,895,093,358,985.88
  5. Step 5: Solve for x
    x = 930,895,093,358,985.88/28,340,726.70
  6. Step 6: Final answer
    x = 32,846,549.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.