Home / 12,960,069.90-19,440,104.85-12,680,133.90

Finding the Fourth Proportional to 12,960,069.90, 19,440,104.85 and 12,680,133.90

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Solution

The fourth proportional to 12,960,069.90, 19,440,104.85 and 12,680,133.90 is: 19,020,200.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,069.90 : 19,440,104.85 = 12,680,133.90 : x
  2. Step 2: Convert to fraction form
    12,960,069.90/19,440,104.85 = 12,680,133.90/x
  3. Step 3: Cross multiply
    12,960,069.90x = 19,440,104.85 × 12,680,133.90
  4. Step 4: Simplify right side
    12,960,069.90x = 246,503,132,528,039.44
  5. Step 5: Solve for x
    x = 246,503,132,528,039.44/12,960,069.90
  6. Step 6: Final answer
    x = 19,020,200.85

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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.