Home / 21,225,341.74-29,291,070.78-12,058,487.50

Finding the Fourth Proportional to 21,225,341.74, 29,291,070.78 and 12,058,487.50

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Solution

The fourth proportional to 21,225,341.74, 29,291,070.78 and 12,058,487.50 is: 16,640,769.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,225,341.74 : 29,291,070.78 = 12,058,487.50 : x
  2. Step 2: Convert to fraction form
    21,225,341.74/29,291,070.78 = 12,058,487.50/x
  3. Step 3: Cross multiply
    21,225,341.74x = 29,291,070.78 × 12,058,487.50
  4. Step 4: Simplify right side
    21,225,341.74x = 353,206,010,862,245.25
  5. Step 5: Solve for x
    x = 353,206,010,862,245.25/21,225,341.74
  6. Step 6: Final answer
    x = 16,640,769.10

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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.