Home / 18,886,674.20-28,330,011.30-12,084,229.40

Finding the Fourth Proportional to 18,886,674.20, 28,330,011.30 and 12,084,229.40

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Solution

The fourth proportional to 18,886,674.20, 28,330,011.30 and 12,084,229.40 is: 18,126,344.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,886,674.20 : 28,330,011.30 = 12,084,229.40 : x
  2. Step 2: Convert to fraction form
    18,886,674.20/28,330,011.30 = 12,084,229.40/x
  3. Step 3: Cross multiply
    18,886,674.20x = 28,330,011.30 × 12,084,229.40
  4. Step 4: Simplify right side
    18,886,674.20x = 342,346,355,453,792.25
  5. Step 5: Solve for x
    x = 342,346,355,453,792.25/18,886,674.20
  6. Step 6: Final answer
    x = 18,126,344.10

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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.