Home / 10,135,549.15-13,987,053.39-5,489,334.43

Finding the Fourth Proportional to 10,135,549.15, 13,987,053.39 and 5,489,334.43

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Solution

The fourth proportional to 10,135,549.15, 13,987,053.39 and 5,489,334.43 is: 7,575,279.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135,549.15 : 13,987,053.39 = 5,489,334.43 : x
  2. Step 2: Convert to fraction form
    10,135,549.15/13,987,053.39 = 5,489,334.43/x
  3. Step 3: Cross multiply
    10,135,549.15x = 13,987,053.39 × 5,489,334.43
  4. Step 4: Simplify right side
    10,135,549.15x = 76,779,613,747,975.22
  5. Step 5: Solve for x
    x = 76,779,613,747,975.22/10,135,549.15
  6. Step 6: Final answer
    x = 7,575,279.11

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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.