Home / 12,231,605.97-16,878,611.61-7,201,555.83

Finding the Fourth Proportional to 12,231,605.97, 16,878,611.61 and 7,201,555.83

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Solution

The fourth proportional to 12,231,605.97, 16,878,611.61 and 7,201,555.83 is: 9,937,555.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231,605.97 : 16,878,611.61 = 7,201,555.83 : x
  2. Step 2: Convert to fraction form
    12,231,605.97/16,878,611.61 = 7,201,555.83/x
  3. Step 3: Cross multiply
    12,231,605.97x = 16,878,611.61 × 7,201,555.83
  4. Step 4: Simplify right side
    12,231,605.97x = 121,552,263,842,301.19
  5. Step 5: Solve for x
    x = 121,552,263,842,301.19/12,231,605.97
  6. Step 6: Final answer
    x = 9,937,555.55

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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.