Home / 6,513,003.14-8,989,020.22-3,613,328.18

Finding the Fourth Proportional to 6,513,003.14, 8,989,020.22 and 3,613,328.18

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Solution

The fourth proportional to 6,513,003.14, 8,989,020.22 and 3,613,328.18 is: 4,986,989.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513,003.14 : 8,989,020.22 = 3,613,328.18 : x
  2. Step 2: Convert to fraction form
    6,513,003.14/8,989,020.22 = 3,613,328.18/x
  3. Step 3: Cross multiply
    6,513,003.14x = 8,989,020.22 × 3,613,328.18
  4. Step 4: Simplify right side
    6,513,003.14x = 32,480,280,071,515.80
  5. Step 5: Solve for x
    x = 32,480,280,071,515.80/6,513,003.14
  6. Step 6: Final answer
    x = 4,986,989.78

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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.