Home / 6,399,315.40-9,604,221.90-6,189,363.40

Finding the Fourth Proportional to 6,399,315.40, 9,604,221.90 and 6,189,363.40

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Solution

The fourth proportional to 6,399,315.40, 9,604,221.90 and 6,189,363.40 is: 9,289,121.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399,315.40 : 9,604,221.90 = 6,189,363.40 : x
  2. Step 2: Convert to fraction form
    6,399,315.40/9,604,221.90 = 6,189,363.40/x
  3. Step 3: Cross multiply
    6,399,315.40x = 9,604,221.90 × 6,189,363.40
  4. Step 4: Simplify right side
    6,399,315.40x = 59,444,019,513,338.47
  5. Step 5: Solve for x
    x = 59,444,019,513,338.47/6,399,315.40
  6. Step 6: Final answer
    x = 9,289,121.69

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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.