Home / 31,408,699.84-43,344,073.20-17,657,776.96

Finding the Fourth Proportional to 31,408,699.84, 43,344,073.20 and 17,657,776.96

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Solution

The fourth proportional to 31,408,699.84, 43,344,073.20 and 17,657,776.96 is: 24,367,770.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,408,699.84 : 43,344,073.20 = 17,657,776.96 : x
  2. Step 2: Convert to fraction form
    31,408,699.84/43,344,073.20 = 17,657,776.96/x
  3. Step 3: Cross multiply
    31,408,699.84x = 43,344,073.20 × 17,657,776.96
  4. Step 4: Simplify right side
    31,408,699.84x = 765,359,977,103,513.62
  5. Step 5: Solve for x
    x = 765,359,977,103,513.62/31,408,699.84
  6. Step 6: Final answer
    x = 24,367,770.11

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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.