Home / 7,566,919.20-10,442,570.04-4,129,381.80

Finding the Fourth Proportional to 7,566,919.20, 10,442,570.04 and 4,129,381.80

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Solution

The fourth proportional to 7,566,919.20, 10,442,570.04 and 4,129,381.80 is: 5,698,667.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,566,919.20 : 10,442,570.04 = 4,129,381.80 : x
  2. Step 2: Convert to fraction form
    7,566,919.20/10,442,570.04 = 4,129,381.80/x
  3. Step 3: Cross multiply
    7,566,919.20x = 10,442,570.04 × 4,129,381.80
  4. Step 4: Simplify right side
    7,566,919.20x = 43,121,358,668,401.27
  5. Step 5: Solve for x
    x = 43,121,358,668,401.27/7,566,919.20
  6. Step 6: Final answer
    x = 5,698,667.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.