Home / 12,516,273.69-18,740,773.44-7,942,559.67

Finding the Fourth Proportional to 12,516,273.69, 18,740,773.44 and 7,942,559.67

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Solution

The fourth proportional to 12,516,273.69, 18,740,773.44 and 7,942,559.67 is: 11,892,494.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,516,273.69 : 18,740,773.44 = 7,942,559.67 : x
  2. Step 2: Convert to fraction form
    12,516,273.69/18,740,773.44 = 7,942,559.67/x
  3. Step 3: Cross multiply
    12,516,273.69x = 18,740,773.44 × 7,942,559.67
  4. Step 4: Simplify right side
    12,516,273.69x = 148,849,711,309,151.19
  5. Step 5: Solve for x
    x = 148,849,711,309,151.19/12,516,273.69
  6. Step 6: Final answer
    x = 11,892,494.12

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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.