Home / 31,862,495.60-47,793,743.40-9,145,689.20

Finding the Fourth Proportional to 31,862,495.60, 47,793,743.40 and 9,145,689.20

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Solution

The fourth proportional to 31,862,495.60, 47,793,743.40 and 9,145,689.20 is: 13,718,533.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,862,495.60 : 47,793,743.40 = 9,145,689.20 : x
  2. Step 2: Convert to fraction form
    31,862,495.60/47,793,743.40 = 9,145,689.20/x
  3. Step 3: Cross multiply
    31,862,495.60x = 47,793,743.40 × 9,145,689.20
  4. Step 4: Simplify right side
    31,862,495.60x = 437,106,722,840,951.25
  5. Step 5: Solve for x
    x = 437,106,722,840,951.25/31,862,495.60
  6. Step 6: Final answer
    x = 13,718,533.80

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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.