Home / 13,187,808.20-19,781,712.30-4,089,888.20

Finding the Fourth Proportional to 13,187,808.20, 19,781,712.30 and 4,089,888.20

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Solution

The fourth proportional to 13,187,808.20, 19,781,712.30 and 4,089,888.20 is: 6,134,832.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,187,808.20 : 19,781,712.30 = 4,089,888.20 : x
  2. Step 2: Convert to fraction form
    13,187,808.20/19,781,712.30 = 4,089,888.20/x
  3. Step 3: Cross multiply
    13,187,808.20x = 19,781,712.30 × 4,089,888.20
  4. Step 4: Simplify right side
    13,187,808.20x = 80,904,991,711,564.86
  5. Step 5: Solve for x
    x = 80,904,991,711,564.86/13,187,808.20
  6. Step 6: Final answer
    x = 6,134,832.30

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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.