Home / 12,450,079.40-18,619,131.90-10,434,540.20

Finding the Fourth Proportional to 12,450,079.40, 18,619,131.90 and 10,434,540.20

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Solution

The fourth proportional to 12,450,079.40, 18,619,131.90 and 10,434,540.20 is: 15,604,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450,079.40 : 18,619,131.90 = 10,434,540.20 : x
  2. Step 2: Convert to fraction form
    12,450,079.40/18,619,131.90 = 10,434,540.20/x
  3. Step 3: Cross multiply
    12,450,079.40x = 18,619,131.90 × 10,434,540.20
  4. Step 4: Simplify right side
    12,450,079.40x = 194,282,080,299,652.34
  5. Step 5: Solve for x
    x = 194,282,080,299,652.34/12,450,079.40
  6. Step 6: Final answer
    x = 15,604,886.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.