Home / 12,575,689.93-18,863,511.34-3,940,451.45

Finding the Fourth Proportional to 12,575,689.93, 18,863,511.34 and 3,940,451.45

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Solution

The fourth proportional to 12,575,689.93, 18,863,511.34 and 3,940,451.45 is: 5,910,669.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575,689.93 : 18,863,511.34 = 3,940,451.45 : x
  2. Step 2: Convert to fraction form
    12,575,689.93/18,863,511.34 = 3,940,451.45/x
  3. Step 3: Cross multiply
    12,575,689.93x = 18,863,511.34 × 3,940,451.45
  4. Step 4: Simplify right side
    12,575,689.93x = 74,330,750,585,752.27
  5. Step 5: Solve for x
    x = 74,330,750,585,752.27/12,575,689.93
  6. Step 6: Final answer
    x = 5,910,669.79

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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.