Home / 12,490,847.80-18,736,271.70-9,652,996.60

Finding the Fourth Proportional to 12,490,847.80, 18,736,271.70 and 9,652,996.60

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Solution

The fourth proportional to 12,490,847.80, 18,736,271.70 and 9,652,996.60 is: 14,479,494.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,490,847.80 : 18,736,271.70 = 9,652,996.60 : x
  2. Step 2: Convert to fraction form
    12,490,847.80/18,736,271.70 = 9,652,996.60/x
  3. Step 3: Cross multiply
    12,490,847.80x = 18,736,271.70 × 9,652,996.60
  4. Step 4: Simplify right side
    12,490,847.80x = 180,861,167,016,776.22
  5. Step 5: Solve for x
    x = 180,861,167,016,776.22/12,490,847.80
  6. Step 6: Final answer
    x = 14,479,494.90

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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.