Home / 12,538,870.20-17,242,280.53-10,882,141.05

Finding the Fourth Proportional to 12,538,870.20, 17,242,280.53 and 10,882,141.05

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Solution

The fourth proportional to 12,538,870.20, 17,242,280.53 and 10,882,141.05 is: 14,964,101.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,538,870.20 : 17,242,280.53 = 10,882,141.05 : x
  2. Step 2: Convert to fraction form
    12,538,870.20/17,242,280.53 = 10,882,141.05/x
  3. Step 3: Cross multiply
    12,538,870.20x = 17,242,280.53 × 10,882,141.05
  4. Step 4: Simplify right side
    12,538,870.20x = 187,632,928,751,128.78
  5. Step 5: Solve for x
    x = 187,632,928,751,128.78/12,538,870.20
  6. Step 6: Final answer
    x = 14,964,101.69

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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.