Home / 12,159,609.74-16,780,471.59-6,653,465.83

Finding the Fourth Proportional to 12,159,609.74, 16,780,471.59 and 6,653,465.83

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Solution

The fourth proportional to 12,159,609.74, 16,780,471.59 and 6,653,465.83 is: 9,181,897.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,159,609.74 : 16,780,471.59 = 6,653,465.83 : x
  2. Step 2: Convert to fraction form
    12,159,609.74/16,780,471.59 = 6,653,465.83/x
  3. Step 3: Cross multiply
    12,159,609.74x = 16,780,471.59 × 6,653,465.83
  4. Step 4: Simplify right side
    12,159,609.74x = 111,648,294,335,350.77
  5. Step 5: Solve for x
    x = 111,648,294,335,350.77/12,159,609.74
  6. Step 6: Final answer
    x = 9,181,897.83

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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.