Home / 13,608,000.60-20,412,000.90-7,214,962.20

Finding the Fourth Proportional to 13,608,000.60, 20,412,000.90 and 7,214,962.20

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Solution

The fourth proportional to 13,608,000.60, 20,412,000.90 and 7,214,962.20 is: 10,822,443.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,000.60 : 20,412,000.90 = 7,214,962.20 : x
  2. Step 2: Convert to fraction form
    13,608,000.60/20,412,000.90 = 7,214,962.20/x
  3. Step 3: Cross multiply
    13,608,000.60x = 20,412,000.90 × 7,214,962.20
  4. Step 4: Simplify right side
    13,608,000.60x = 147,271,814,919,865.97
  5. Step 5: Solve for x
    x = 147,271,814,919,865.97/13,608,000.60
  6. Step 6: Final answer
    x = 10,822,443.30

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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.