Home / 31,488,298.89-47,233,195.71-8,459,262.75

Finding the Fourth Proportional to 31,488,298.89, 47,233,195.71 and 8,459,262.75

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Solution

The fourth proportional to 31,488,298.89, 47,233,195.71 and 8,459,262.75 is: 12,689,094.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,488,298.89 : 47,233,195.71 = 8,459,262.75 : x
  2. Step 2: Convert to fraction form
    31,488,298.89/47,233,195.71 = 8,459,262.75/x
  3. Step 3: Cross multiply
    31,488,298.89x = 47,233,195.71 × 8,459,262.75
  4. Step 4: Simplify right side
    31,488,298.89x = 399,558,013,033,062.81
  5. Step 5: Solve for x
    x = 399,558,013,033,062.81/31,488,298.89
  6. Step 6: Final answer
    x = 12,689,094.91

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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.