Home / 31,509,626.20-47,263,748.10-8,789,882.20

Finding the Fourth Proportional to 31,509,626.20, 47,263,748.10 and 8,789,882.20

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Solution

The fourth proportional to 31,509,626.20, 47,263,748.10 and 8,789,882.20 is: 13,184,630.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,509,626.20 : 47,263,748.10 = 8,789,882.20 : x
  2. Step 2: Convert to fraction form
    31,509,626.20/47,263,748.10 = 8,789,882.20/x
  3. Step 3: Cross multiply
    31,509,626.20x = 47,263,748.10 × 8,789,882.20
  4. Step 4: Simplify right side
    31,509,626.20x = 415,442,778,129,473.81
  5. Step 5: Solve for x
    x = 415,442,778,129,473.81/31,509,626.20
  6. Step 6: Final answer
    x = 13,184,630.48

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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.