Home / 31,169,125.20-43,013,267.28-17,418,085.68

Finding the Fourth Proportional to 31,169,125.20, 43,013,267.28 and 17,418,085.68

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Solution

The fourth proportional to 31,169,125.20, 43,013,267.28 and 17,418,085.68 is: 24,036,888.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,169,125.20 : 43,013,267.28 = 17,418,085.68 : x
  2. Step 2: Convert to fraction form
    31,169,125.20/43,013,267.28 = 17,418,085.68/x
  3. Step 3: Cross multiply
    31,169,125.20x = 43,013,267.28 × 17,418,085.68
  4. Step 4: Simplify right side
    31,169,125.20x = 749,208,774,859,780.50
  5. Step 5: Solve for x
    x = 749,208,774,859,780.50/31,169,125.20
  6. Step 6: Final answer
    x = 24,036,888.11

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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.