Home / 31,171,913.16-43,018,568.66-17,420,876.88

Finding the Fourth Proportional to 31,171,913.16, 43,018,568.66 and 17,420,876.88

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Solution

The fourth proportional to 31,171,913.16, 43,018,568.66 and 17,420,876.88 is: 24,041,552.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,171,913.16 : 43,018,568.66 = 17,420,876.88 : x
  2. Step 2: Convert to fraction form
    31,171,913.16/43,018,568.66 = 17,420,876.88/x
  3. Step 3: Cross multiply
    31,171,913.16x = 43,018,568.66 × 17,420,876.88
  4. Step 4: Simplify right side
    31,171,913.16x = 749,421,188,179,686.50
  5. Step 5: Solve for x
    x = 749,421,188,179,686.50/31,171,913.16
  6. Step 6: Final answer
    x = 24,041,552.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.