Home / 18,866,401.20-28,299,601.80-12,063,956.40

Finding the Fourth Proportional to 18,866,401.20, 28,299,601.80 and 12,063,956.40

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Solution

The fourth proportional to 18,866,401.20, 28,299,601.80 and 12,063,956.40 is: 18,095,934.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,866,401.20 : 28,299,601.80 = 12,063,956.40 : x
  2. Step 2: Convert to fraction form
    18,866,401.20/28,299,601.80 = 12,063,956.40/x
  3. Step 3: Cross multiply
    18,866,401.20x = 28,299,601.80 × 12,063,956.40
  4. Step 4: Simplify right side
    18,866,401.20x = 341,405,162,252,561.56
  5. Step 5: Solve for x
    x = 341,405,162,252,561.56/18,866,401.20
  6. Step 6: Final answer
    x = 18,095,934.60

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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.