Home / 25,920,174.80-38,891,321.40-12,450,069.20

Finding the Fourth Proportional to 25,920,174.80, 38,891,321.40 and 12,450,069.20

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Solution

The fourth proportional to 25,920,174.80, 38,891,321.40 and 12,450,069.20 is: 18,680,415.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,920,174.80 : 38,891,321.40 = 12,450,069.20 : x
  2. Step 2: Convert to fraction form
    25,920,174.80/38,891,321.40 = 12,450,069.20/x
  3. Step 3: Cross multiply
    25,920,174.80x = 38,891,321.40 × 12,450,069.20
  4. Step 4: Simplify right side
    25,920,174.80x = 484,199,642,709,440.81
  5. Step 5: Solve for x
    x = 484,199,642,709,440.81/25,920,174.80
  6. Step 6: Final answer
    x = 18,680,415.79

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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.