Home / 45,009,496.68-67,506,379.92-12,653,712.96

Finding the Fourth Proportional to 45,009,496.68, 67,506,379.92 and 12,653,712.96

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Solution

The fourth proportional to 45,009,496.68, 67,506,379.92 and 12,653,712.96 is: 18,978,358.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,009,496.68 : 67,506,379.92 = 12,653,712.96 : x
  2. Step 2: Convert to fraction form
    45,009,496.68/67,506,379.92 = 12,653,712.96/x
  3. Step 3: Cross multiply
    45,009,496.68x = 67,506,379.92 × 12,653,712.96
  4. Step 4: Simplify right side
    45,009,496.68x = 854,206,354,476,387.88
  5. Step 5: Solve for x
    x = 854,206,354,476,387.88/45,009,496.68
  6. Step 6: Final answer
    x = 18,978,358.29

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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.