Home / 31,589,179.47-47,386,660.91-8,869,923.63

Finding the Fourth Proportional to 31,589,179.47, 47,386,660.91 and 8,869,923.63

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Solution

The fourth proportional to 31,589,179.47, 47,386,660.91 and 8,869,923.63 is: 13,305,697.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,589,179.47 : 47,386,660.91 = 8,869,923.63 : x
  2. Step 2: Convert to fraction form
    31,589,179.47/47,386,660.91 = 8,869,923.63/x
  3. Step 3: Cross multiply
    31,589,179.47x = 47,386,660.91 × 8,869,923.63
  4. Step 4: Simplify right side
    31,589,179.47x = 420,316,063,308,056.75
  5. Step 5: Solve for x
    x = 420,316,063,308,056.75/31,589,179.47
  6. Step 6: Final answer
    x = 13,305,697.41

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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.