Home / 6,513,151.80-8,989,225.65-3,613,476.90

Finding the Fourth Proportional to 6,513,151.80, 8,989,225.65 and 3,613,476.90

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Solution

The fourth proportional to 6,513,151.80, 8,989,225.65 and 3,613,476.90 is: 4,987,195.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513,151.80 : 8,989,225.65 = 3,613,476.90 : x
  2. Step 2: Convert to fraction form
    6,513,151.80/8,989,225.65 = 3,613,476.90/x
  3. Step 3: Cross multiply
    6,513,151.80x = 8,989,225.65 × 3,613,476.90
  4. Step 4: Simplify right side
    6,513,151.80x = 32,482,359,235,162.48
  5. Step 5: Solve for x
    x = 32,482,359,235,162.48/6,513,151.80
  6. Step 6: Final answer
    x = 4,987,195.18

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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.