Home / 31,878,495.60-47,812,611.24-9,154,224.24

Finding the Fourth Proportional to 31,878,495.60, 47,812,611.24 and 9,154,224.24

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Solution

The fourth proportional to 31,878,495.60, 47,812,611.24 and 9,154,224.24 is: 13,729,862.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,878,495.60 : 47,812,611.24 = 9,154,224.24 : x
  2. Step 2: Convert to fraction form
    31,878,495.60/47,812,611.24 = 9,154,224.24/x
  3. Step 3: Cross multiply
    31,878,495.60x = 47,812,611.24 × 9,154,224.24
  4. Step 4: Simplify right side
    31,878,495.60x = 437,687,364,790,904.50
  5. Step 5: Solve for x
    x = 437,687,364,790,904.50/31,878,495.60
  6. Step 6: Final answer
    x = 13,729,862.61

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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.