Home / 8,168,146.80-11,269,010.52-8,155,549.68

Finding the Fourth Proportional to 8,168,146.80, 11,269,010.52 and 8,155,549.68

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Solution

The fourth proportional to 8,168,146.80, 11,269,010.52 and 8,155,549.68 is: 11,251,631.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168,146.80 : 11,269,010.52 = 8,155,549.68 : x
  2. Step 2: Convert to fraction form
    8,168,146.80/11,269,010.52 = 8,155,549.68/x
  3. Step 3: Cross multiply
    8,168,146.80x = 11,269,010.52 × 8,155,549.68
  4. Step 4: Simplify right side
    8,168,146.80x = 91,904,975,140,302.62
  5. Step 5: Solve for x
    x = 91,904,975,140,302.62/8,168,146.80
  6. Step 6: Final answer
    x = 11,251,631.17

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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.