Home / 6,463,010.80-9,689,850.60-4,220,412.40

Finding the Fourth Proportional to 6,463,010.80, 9,689,850.60 and 4,220,412.40

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Solution

The fourth proportional to 6,463,010.80, 9,689,850.60 and 4,220,412.40 is: 6,327,571.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,463,010.80 : 9,689,850.60 = 4,220,412.40 : x
  2. Step 2: Convert to fraction form
    6,463,010.80/9,689,850.60 = 4,220,412.40/x
  3. Step 3: Cross multiply
    6,463,010.80x = 9,689,850.60 × 4,220,412.40
  4. Step 4: Simplify right side
    6,463,010.80x = 40,895,165,626,387.45
  5. Step 5: Solve for x
    x = 40,895,165,626,387.45/6,463,010.80
  6. Step 6: Final answer
    x = 6,327,571.92

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1.5x scale

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.