Home / 16,021,058.75-22,109,041.10-8,678,922.24

Finding the Fourth Proportional to 16,021,058.75, 22,109,041.10 and 8,678,922.24

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Solution

The fourth proportional to 16,021,058.75, 22,109,041.10 and 8,678,922.24 is: 11,976,901.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,021,058.75 : 22,109,041.10 = 8,678,922.24 : x
  2. Step 2: Convert to fraction form
    16,021,058.75/22,109,041.10 = 8,678,922.24/x
  3. Step 3: Cross multiply
    16,021,058.75x = 22,109,041.10 × 8,678,922.24
  4. Step 4: Simplify right side
    16,021,058.75x = 191,882,648,612,470.28
  5. Step 5: Solve for x
    x = 191,882,648,612,470.28/16,021,058.75
  6. Step 6: Final answer
    x = 11,976,901.87

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Double scale
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1.5x scale

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.