Home / 12,954,319.95-17,870,504.54-7,723,639.11

Finding the Fourth Proportional to 12,954,319.95, 17,870,504.54 and 7,723,639.11

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Solution

The fourth proportional to 12,954,319.95, 17,870,504.54 and 7,723,639.11 is: 10,654,772.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954,319.95 : 17,870,504.54 = 7,723,639.11 : x
  2. Step 2: Convert to fraction form
    12,954,319.95/17,870,504.54 = 7,723,639.11/x
  3. Step 3: Cross multiply
    12,954,319.95x = 17,870,504.54 × 7,723,639.11
  4. Step 4: Simplify right side
    12,954,319.95x = 138,025,327,741,958.38
  5. Step 5: Solve for x
    x = 138,025,327,741,958.38/12,954,319.95
  6. Step 6: Final answer
    x = 10,654,772.17

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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.