Home / 6,513,123.55-8,989,186.68-3,613,448.62

Finding the Fourth Proportional to 6,513,123.55, 8,989,186.68 and 3,613,448.62

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Solution

The fourth proportional to 6,513,123.55, 8,989,186.68 and 3,613,448.62 is: 4,987,156.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513,123.55 : 8,989,186.68 = 3,613,448.62 : x
  2. Step 2: Convert to fraction form
    6,513,123.55/8,989,186.68 = 3,613,448.62/x
  3. Step 3: Cross multiply
    6,513,123.55x = 8,989,186.68 × 3,613,448.62
  4. Step 4: Simplify right side
    6,513,123.55x = 32,481,964,203,768.38
  5. Step 5: Solve for x
    x = 32,481,964,203,768.38/6,513,123.55
  6. Step 6: Final answer
    x = 4,987,156.16

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Double scale
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1.5x scale

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.