Home / 8,697,691.80-13,036,040.10-4,435,666.20

Finding the Fourth Proportional to 8,697,691.80, 13,036,040.10 and 4,435,666.20

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Solution

The fourth proportional to 8,697,691.80, 13,036,040.10 and 4,435,666.20 is: 6,648,145.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697,691.80 : 13,036,040.10 = 4,435,666.20 : x
  2. Step 2: Convert to fraction form
    8,697,691.80/13,036,040.10 = 4,435,666.20/x
  3. Step 3: Cross multiply
    8,697,691.80x = 13,036,040.10 × 4,435,666.20
  4. Step 4: Simplify right side
    8,697,691.80x = 57,823,522,453,414.62
  5. Step 5: Solve for x
    x = 57,823,522,453,414.62/8,697,691.80
  6. Step 6: Final answer
    x = 6,648,145.71

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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.