Home / 12,186,262.98-18,261,458.33-5,356,581.83

Finding the Fourth Proportional to 12,186,262.98, 18,261,458.33 and 5,356,581.83

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Solution

The fourth proportional to 12,186,262.98, 18,261,458.33 and 5,356,581.83 is: 8,026,988.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,186,262.98 : 18,261,458.33 = 5,356,581.83 : x
  2. Step 2: Convert to fraction form
    12,186,262.98/18,261,458.33 = 5,356,581.83/x
  3. Step 3: Cross multiply
    12,186,262.98x = 18,261,458.33 × 5,356,581.83
  4. Step 4: Simplify right side
    12,186,262.98x = 97,818,995,879,780.14
  5. Step 5: Solve for x
    x = 97,818,995,879,780.14/12,186,262.98
  6. Step 6: Final answer
    x = 8,026,988.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.