Home / 12,098,763.20-18,148,144.80-12,014,782.40

Finding the Fourth Proportional to 12,098,763.20, 18,148,144.80 and 12,014,782.40

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Solution

The fourth proportional to 12,098,763.20, 18,148,144.80 and 12,014,782.40 is: 18,022,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098,763.20 : 18,148,144.80 = 12,014,782.40 : x
  2. Step 2: Convert to fraction form
    12,098,763.20/18,148,144.80 = 12,014,782.40/x
  3. Step 3: Cross multiply
    12,098,763.20x = 18,148,144.80 × 12,014,782.40
  4. Step 4: Simplify right side
    12,098,763.20x = 218,046,010,735,691.53
  5. Step 5: Solve for x
    x = 218,046,010,735,691.53/12,098,763.20
  6. Step 6: Final answer
    x = 18,022,173.60

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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.