Home / 13,110,742.30-18,092,900.20-7,309,885.18

Finding the Fourth Proportional to 13,110,742.30, 18,092,900.20 and 7,309,885.18

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Solution

The fourth proportional to 13,110,742.30, 18,092,900.20 and 7,309,885.18 is: 10,087,683.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110,742.30 : 18,092,900.20 = 7,309,885.18 : x
  2. Step 2: Convert to fraction form
    13,110,742.30/18,092,900.20 = 7,309,885.18/x
  3. Step 3: Cross multiply
    13,110,742.30x = 18,092,900.20 × 7,309,885.18
  4. Step 4: Simplify right side
    13,110,742.30x = 132,257,023,035,199.03
  5. Step 5: Solve for x
    x = 132,257,023,035,199.03/13,110,742.30
  6. Step 6: Final answer
    x = 10,087,683.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.