Home / 31,435,618.05-47,153,427.08-13,260,335.85

Finding the Fourth Proportional to 31,435,618.05, 47,153,427.08 and 13,260,335.85

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Solution

The fourth proportional to 31,435,618.05, 47,153,427.08 and 13,260,335.85 is: 19,890,503.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,435,618.05 : 47,153,427.08 = 13,260,335.85 : x
  2. Step 2: Convert to fraction form
    31,435,618.05/47,153,427.08 = 13,260,335.85/x
  3. Step 3: Cross multiply
    31,435,618.05x = 47,153,427.08 × 13,260,335.85
  4. Step 4: Simplify right side
    31,435,618.05x = 625,270,279,492,983.12
  5. Step 5: Solve for x
    x = 625,270,279,492,983.12/31,435,618.05
  6. Step 6: Final answer
    x = 19,890,503.78

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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.