Home / 6,513,750.72-8,989,120.08-3,613,047.12

Finding the Fourth Proportional to 6,513,750.72, 8,989,120.08 and 3,613,047.12

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Solution

The fourth proportional to 6,513,750.72, 8,989,120.08 and 3,613,047.12 is: 4,986,084.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513,750.72 : 8,989,120.08 = 3,613,047.12 : x
  2. Step 2: Convert to fraction form
    6,513,750.72/8,989,120.08 = 3,613,047.12/x
  3. Step 3: Cross multiply
    6,513,750.72x = 8,989,120.08 × 3,613,047.12
  4. Step 4: Simplify right side
    6,513,750.72x = 32,478,114,416,378.17
  5. Step 5: Solve for x
    x = 32,478,114,416,378.17/6,513,750.72
  6. Step 6: Final answer
    x = 4,986,084.95

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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.