Home / 31,869,314.88-47,778,039.60-9,998,451.12

Finding the Fourth Proportional to 31,869,314.88, 47,778,039.60 and 9,998,451.12

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Solution

The fourth proportional to 31,869,314.88, 47,778,039.60 and 9,998,451.12 is: 14,989,540.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,869,314.88 : 47,778,039.60 = 9,998,451.12 : x
  2. Step 2: Convert to fraction form
    31,869,314.88/47,778,039.60 = 9,998,451.12/x
  3. Step 3: Cross multiply
    31,869,314.88x = 47,778,039.60 × 9,998,451.12
  4. Step 4: Simplify right side
    31,869,314.88x = 477,706,393,550,024.31
  5. Step 5: Solve for x
    x = 477,706,393,550,024.31/31,869,314.88
  6. Step 6: Final answer
    x = 14,989,540.73

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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.