Home / 31,423,088.70-43,357,363.49-18,367,822.27

Finding the Fourth Proportional to 31,423,088.70, 43,357,363.49 and 18,367,822.27

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Solution

The fourth proportional to 31,423,088.70, 43,357,363.49 and 18,367,822.27 is: 25,343,795.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,423,088.70 : 43,357,363.49 = 18,367,822.27 : x
  2. Step 2: Convert to fraction form
    31,423,088.70/43,357,363.49 = 18,367,822.27/x
  3. Step 3: Cross multiply
    31,423,088.70x = 43,357,363.49 × 18,367,822.27
  4. Step 4: Simplify right side
    31,423,088.70x = 796,380,346,680,107
  5. Step 5: Solve for x
    x = 796,380,346,680,107/31,423,088.70
  6. Step 6: Final answer
    x = 25,343,795.90

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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.