Home / 12,371,138.86-18,556,104.72-4,591,566.89

Finding the Fourth Proportional to 12,371,138.86, 18,556,104.72 and 4,591,566.89

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Solution

The fourth proportional to 12,371,138.86, 18,556,104.72 and 4,591,566.89 is: 6,887,126.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371,138.86 : 18,556,104.72 = 4,591,566.89 : x
  2. Step 2: Convert to fraction form
    12,371,138.86/18,556,104.72 = 4,591,566.89/x
  3. Step 3: Cross multiply
    12,371,138.86x = 18,556,104.72 × 4,591,566.89
  4. Step 4: Simplify right side
    12,371,138.86x = 85,201,596,039,724.70
  5. Step 5: Solve for x
    x = 85,201,596,039,724.70/12,371,138.86
  6. Step 6: Final answer
    x = 6,887,126.32

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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.