Home / 12,366,486.68-18,540,761.90-8,312,920.45

Finding the Fourth Proportional to 12,366,486.68, 18,540,761.90 and 8,312,920.45

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Solution

The fourth proportional to 12,366,486.68, 18,540,761.90 and 8,312,920.45 is: 12,463,352.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366,486.68 : 18,540,761.90 = 8,312,920.45 : x
  2. Step 2: Convert to fraction form
    12,366,486.68/18,540,761.90 = 8,312,920.45/x
  3. Step 3: Cross multiply
    12,366,486.68x = 18,540,761.90 × 8,312,920.45
  4. Step 4: Simplify right side
    12,366,486.68x = 154,127,878,669,174.34
  5. Step 5: Solve for x
    x = 154,127,878,669,174.34/12,366,486.68
  6. Step 6: Final answer
    x = 12,463,352.18

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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.