Home / 22,486,444.70-31,031,304.12-12,173,167.78

Finding the Fourth Proportional to 22,486,444.70, 31,031,304.12 and 12,173,167.78

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Solution

The fourth proportional to 22,486,444.70, 31,031,304.12 and 12,173,167.78 is: 16,798,977.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,486,444.70 : 31,031,304.12 = 12,173,167.78 : x
  2. Step 2: Convert to fraction form
    22,486,444.70/31,031,304.12 = 12,173,167.78/x
  3. Step 3: Cross multiply
    22,486,444.70x = 31,031,304.12 × 12,173,167.78
  4. Step 4: Simplify right side
    22,486,444.70x = 377,749,271,484,965.25
  5. Step 5: Solve for x
    x = 377,749,271,484,965.25/22,486,444.70
  6. Step 6: Final answer
    x = 16,798,977.18

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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.