Home / 13,029,424.96-17,980,627.52-7,228,206.88

Finding the Fourth Proportional to 13,029,424.96, 17,980,627.52 and 7,228,206.88

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Solution

The fourth proportional to 13,029,424.96, 17,980,627.52 and 7,228,206.88 is: 9,974,937.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029,424.96 : 17,980,627.52 = 7,228,206.88 : x
  2. Step 2: Convert to fraction form
    13,029,424.96/17,980,627.52 = 7,228,206.88/x
  3. Step 3: Cross multiply
    13,029,424.96x = 17,980,627.52 × 7,228,206.88
  4. Step 4: Simplify right side
    13,029,424.96x = 129,967,695,546,781.33
  5. Step 5: Solve for x
    x = 129,967,695,546,781.33/13,029,424.96
  6. Step 6: Final answer
    x = 9,974,937.19

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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.