Home / 12,089,148.30-18,133,722.45-4,003,371.90

Finding the Fourth Proportional to 12,089,148.30, 18,133,722.45 and 4,003,371.90

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Solution

The fourth proportional to 12,089,148.30, 18,133,722.45 and 4,003,371.90 is: 6,005,057.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,148.30 : 18,133,722.45 = 4,003,371.90 : x
  2. Step 2: Convert to fraction form
    12,089,148.30/18,133,722.45 = 4,003,371.90/x
  3. Step 3: Cross multiply
    12,089,148.30x = 18,133,722.45 × 4,003,371.90
  4. Step 4: Simplify right side
    12,089,148.30x = 72,596,034,898,729.16
  5. Step 5: Solve for x
    x = 72,596,034,898,729.16/12,089,148.30
  6. Step 6: Final answer
    x = 6,005,057.85

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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.