Home / 22,791,342.60-31,451,857.20-12,337,307.64

Finding the Fourth Proportional to 22,791,342.60, 31,451,857.20 and 12,337,307.64

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Solution

The fourth proportional to 22,791,342.60, 31,451,857.20 and 12,337,307.64 is: 17,025,378.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,791,342.60 : 31,451,857.20 = 12,337,307.64 : x
  2. Step 2: Convert to fraction form
    22,791,342.60/31,451,857.20 = 12,337,307.64/x
  3. Step 3: Cross multiply
    22,791,342.60x = 31,451,857.20 × 12,337,307.64
  4. Step 4: Simplify right side
    22,791,342.60x = 388,031,238,125,749
  5. Step 5: Solve for x
    x = 388,031,238,125,749/22,791,342.60
  6. Step 6: Final answer
    x = 17,025,378.67

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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.