Home / 31,031,024.90-42,822,814.17-17,985,850.56

Finding the Fourth Proportional to 31,031,024.90, 42,822,814.17 and 17,985,850.56

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Solution

The fourth proportional to 31,031,024.90, 42,822,814.17 and 17,985,850.56 is: 24,820,473.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,031,024.90 : 42,822,814.17 = 17,985,850.56 : x
  2. Step 2: Convert to fraction form
    31,031,024.90/42,822,814.17 = 17,985,850.56/x
  3. Step 3: Cross multiply
    31,031,024.90x = 42,822,814.17 × 17,985,850.56
  4. Step 4: Simplify right side
    31,031,024.90x = 770,204,736,220,270.38
  5. Step 5: Solve for x
    x = 770,204,736,220,270.38/31,031,024.90
  6. Step 6: Final answer
    x = 24,820,473.67

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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.