Home / 8,129,386.13-12,198,803.13-3,641,662.13

Finding the Fourth Proportional to 8,129,386.13, 12,198,803.13 and 3,641,662.13

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Solution

The fourth proportional to 8,129,386.13, 12,198,803.13 and 3,641,662.13 is: 5,464,609.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,386.13 : 12,198,803.13 = 3,641,662.13 : x
  2. Step 2: Convert to fraction form
    8,129,386.13/12,198,803.13 = 3,641,662.13/x
  3. Step 3: Cross multiply
    8,129,386.13x = 12,198,803.13 × 3,641,662.13
  4. Step 4: Simplify right side
    8,129,386.13x = 44,423,919,328,852.45
  5. Step 5: Solve for x
    x = 44,423,919,328,852.45/8,129,386.13
  6. Step 6: Final answer
    x = 5,464,609.34

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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.