Home / 31,275,808.29-43,160,966.54-17,866,249.49

Finding the Fourth Proportional to 31,275,808.29, 43,160,966.54 and 17,866,249.49

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Solution

The fourth proportional to 31,275,808.29, 43,160,966.54 and 17,866,249.49 is: 24,655,624.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,275,808.29 : 43,160,966.54 = 17,866,249.49 : x
  2. Step 2: Convert to fraction form
    31,275,808.29/43,160,966.54 = 17,866,249.49/x
  3. Step 3: Cross multiply
    31,275,808.29x = 43,160,966.54 × 17,866,249.49
  4. Step 4: Simplify right side
    31,275,808.29x = 771,124,596,518,751.62
  5. Step 5: Solve for x
    x = 771,124,596,518,751.62/31,275,808.29
  6. Step 6: Final answer
    x = 24,655,624.86

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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.