Home / 6,513,003.64-8,989,020.91-3,613,328.68

Finding the Fourth Proportional to 6,513,003.64, 8,989,020.91 and 3,613,328.68

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Solution

The fourth proportional to 6,513,003.64, 8,989,020.91 and 3,613,328.68 is: 4,986,990.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513,003.64 : 8,989,020.91 = 3,613,328.68 : x
  2. Step 2: Convert to fraction form
    6,513,003.64/8,989,020.91 = 3,613,328.68/x
  3. Step 3: Cross multiply
    6,513,003.64x = 8,989,020.91 × 3,613,328.68
  4. Step 4: Simplify right side
    6,513,003.64x = 32,480,287,059,222.70
  5. Step 5: Solve for x
    x = 32,480,287,059,222.70/6,513,003.64
  6. Step 6: Final answer
    x = 4,986,990.47

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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.