Home / 22,143,695.40-33,215,543.10-12,418,325.10

Finding the Fourth Proportional to 22,143,695.40, 33,215,543.10 and 12,418,325.10

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Solution

The fourth proportional to 22,143,695.40, 33,215,543.10 and 12,418,325.10 is: 18,627,487.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,695.40 : 33,215,543.10 = 12,418,325.10 : x
  2. Step 2: Convert to fraction form
    22,143,695.40/33,215,543.10 = 12,418,325.10/x
  3. Step 3: Cross multiply
    22,143,695.40x = 33,215,543.10 × 12,418,325.10
  4. Step 4: Simplify right side
    22,143,695.40x = 412,481,412,588,861.81
  5. Step 5: Solve for x
    x = 412,481,412,588,861.81/22,143,695.40
  6. Step 6: Final answer
    x = 18,627,487.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.