Home / 21,225,341.73-29,291,070.78-12,058,487.49

Finding the Fourth Proportional to 21,225,341.73, 29,291,070.78 and 12,058,487.49

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Solution

The fourth proportional to 21,225,341.73, 29,291,070.78 and 12,058,487.49 is: 16,640,769.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,225,341.73 : 29,291,070.78 = 12,058,487.49 : x
  2. Step 2: Convert to fraction form
    21,225,341.73/29,291,070.78 = 12,058,487.49/x
  3. Step 3: Cross multiply
    21,225,341.73x = 29,291,070.78 × 12,058,487.49
  4. Step 4: Simplify right side
    21,225,341.73x = 353,206,010,569,334.56
  5. Step 5: Solve for x
    x = 353,206,010,569,334.56/21,225,341.73
  6. Step 6: Final answer
    x = 16,640,769.09

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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.