Home / 18,453,014.10-27,679,521.15-8,866,080.90

Finding the Fourth Proportional to 18,453,014.10, 27,679,521.15 and 8,866,080.90

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Solution

The fourth proportional to 18,453,014.10, 27,679,521.15 and 8,866,080.90 is: 13,299,121.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453,014.10 : 27,679,521.15 = 8,866,080.90 : x
  2. Step 2: Convert to fraction form
    18,453,014.10/27,679,521.15 = 8,866,080.90/x
  3. Step 3: Cross multiply
    18,453,014.10x = 27,679,521.15 × 8,866,080.90
  4. Step 4: Simplify right side
    18,453,014.10x = 245,408,873,789,161.03
  5. Step 5: Solve for x
    x = 245,408,873,789,161.03/18,453,014.10
  6. Step 6: Final answer
    x = 13,299,121.35

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1.5x scale

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.