Home / 31,740,151.92-47,610,818.60-9,021,639.66

Finding the Fourth Proportional to 31,740,151.92, 47,610,818.60 and 9,021,639.66

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Solution

The fourth proportional to 31,740,151.92, 47,610,818.60 and 9,021,639.66 is: 13,532,627.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,740,151.92 : 47,610,818.60 = 9,021,639.66 : x
  2. Step 2: Convert to fraction form
    31,740,151.92/47,610,818.60 = 9,021,639.66/x
  3. Step 3: Cross multiply
    31,740,151.92x = 47,610,818.60 × 9,021,639.66
  4. Step 4: Simplify right side
    31,740,151.92x = 429,527,649,421,734.50
  5. Step 5: Solve for x
    x = 429,527,649,421,734.50/31,740,151.92
  6. Step 6: Final answer
    x = 13,532,627.40

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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.