Home / 21,225,341.76-29,291,070.82-12,058,487.52

Finding the Fourth Proportional to 21,225,341.76, 29,291,070.82 and 12,058,487.52

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Solution

The fourth proportional to 21,225,341.76, 29,291,070.82 and 12,058,487.52 is: 16,640,769.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,225,341.76 : 29,291,070.82 = 12,058,487.52 : x
  2. Step 2: Convert to fraction form
    21,225,341.76/29,291,070.82 = 12,058,487.52/x
  3. Step 3: Cross multiply
    21,225,341.76x = 29,291,070.82 × 12,058,487.52
  4. Step 4: Simplify right side
    21,225,341.76x = 353,206,011,723,658.44
  5. Step 5: Solve for x
    x = 353,206,011,723,658.44/21,225,341.76
  6. Step 6: Final answer
    x = 16,640,769.12

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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.