Home / 22,201,545.28-30,638,805.60-12,412,401.88

Finding the Fourth Proportional to 22,201,545.28, 30,638,805.60 and 12,412,401.88

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Solution

The fourth proportional to 22,201,545.28, 30,638,805.60 and 12,412,401.88 is: 17,129,490.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,201,545.28 : 30,638,805.60 = 12,412,401.88 : x
  2. Step 2: Convert to fraction form
    22,201,545.28/30,638,805.60 = 12,412,401.88/x
  3. Step 3: Cross multiply
    22,201,545.28x = 30,638,805.60 × 12,412,401.88
  4. Step 4: Simplify right side
    22,201,545.28x = 380,301,168,230,394.56
  5. Step 5: Solve for x
    x = 380,301,168,230,394.56/22,201,545.28
  6. Step 6: Final answer
    x = 17,129,490.92

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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.