Home / 6,513,128.06-8,989,192.90-3,613,453.12

Finding the Fourth Proportional to 6,513,128.06, 8,989,192.90 and 3,613,453.12

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Solution

The fourth proportional to 6,513,128.06, 8,989,192.90 and 3,613,453.12 is: 4,987,162.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513,128.06 : 8,989,192.90 = 3,613,453.12 : x
  2. Step 2: Convert to fraction form
    6,513,128.06/8,989,192.90 = 3,613,453.12/x
  3. Step 3: Cross multiply
    6,513,128.06x = 8,989,192.90 × 3,613,453.12
  4. Step 4: Simplify right side
    6,513,128.06x = 32,482,027,130,786.85
  5. Step 5: Solve for x
    x = 32,482,027,130,786.85/6,513,128.06
  6. Step 6: Final answer
    x = 4,987,162.36

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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.