Home / 8,613,358.45-11,882,699.75-5,126,742.21

Finding the Fourth Proportional to 8,613,358.45, 11,882,699.75 and 5,126,742.21

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Solution

The fourth proportional to 8,613,358.45, 11,882,699.75 and 5,126,742.21 is: 7,072,681.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,613,358.45 : 11,882,699.75 = 5,126,742.21 : x
  2. Step 2: Convert to fraction form
    8,613,358.45/11,882,699.75 = 5,126,742.21/x
  3. Step 3: Cross multiply
    8,613,358.45x = 11,882,699.75 × 5,126,742.21
  4. Step 4: Simplify right side
    8,613,358.45x = 60,919,538,292,034.23
  5. Step 5: Solve for x
    x = 60,919,538,292,034.23/8,613,358.45
  6. Step 6: Final answer
    x = 7,072,681.19

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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.