Home / 12,126,243.40-18,191,892.30-4,041,730.60

Finding the Fourth Proportional to 12,126,243.40, 18,191,892.30 and 4,041,730.60

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Solution

The fourth proportional to 12,126,243.40, 18,191,892.30 and 4,041,730.60 is: 6,063,438.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126,243.40 : 18,191,892.30 = 4,041,730.60 : x
  2. Step 2: Convert to fraction form
    12,126,243.40/18,191,892.30 = 4,041,730.60/x
  3. Step 3: Cross multiply
    12,126,243.40x = 18,191,892.30 × 4,041,730.60
  4. Step 4: Simplify right side
    12,126,243.40x = 73,526,727,780,814.39
  5. Step 5: Solve for x
    x = 73,526,727,780,814.39/12,126,243.40
  6. Step 6: Final answer
    x = 6,063,438.23

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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.