Home / 6,513,001.76-8,989,018.32-3,613,326.81

Finding the Fourth Proportional to 6,513,001.76, 8,989,018.32 and 3,613,326.81

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Solution

The fourth proportional to 6,513,001.76, 8,989,018.32 and 3,613,326.81 is: 4,986,987.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513,001.76 : 8,989,018.32 = 3,613,326.81 : x
  2. Step 2: Convert to fraction form
    6,513,001.76/8,989,018.32 = 3,613,326.81/x
  3. Step 3: Cross multiply
    6,513,001.76x = 8,989,018.32 × 3,613,326.81
  4. Step 4: Simplify right side
    6,513,001.76x = 32,480,260,891,237.16
  5. Step 5: Solve for x
    x = 32,480,260,891,237.16/6,513,001.76
  6. Step 6: Final answer
    x = 4,986,987.89

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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.