Home / 12,942,230.79-19,398,595.78-8,086,779.14

Finding the Fourth Proportional to 12,942,230.79, 19,398,595.78 and 8,086,779.14

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Solution

The fourth proportional to 12,942,230.79, 19,398,595.78 and 8,086,779.14 is: 12,120,952.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942,230.79 : 19,398,595.78 = 8,086,779.14 : x
  2. Step 2: Convert to fraction form
    12,942,230.79/19,398,595.78 = 8,086,779.14/x
  3. Step 3: Cross multiply
    12,942,230.79x = 19,398,595.78 × 8,086,779.14
  4. Step 4: Simplify right side
    12,942,230.79x = 156,872,159,675,740.50
  5. Step 5: Solve for x
    x = 156,872,159,675,740.50/12,942,230.79
  6. Step 6: Final answer
    x = 12,120,952.12

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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.