Home / 13,408,225.80-20,112,338.70-4,894,672.20

Finding the Fourth Proportional to 13,408,225.80, 20,112,338.70 and 4,894,672.20

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Solution

The fourth proportional to 13,408,225.80, 20,112,338.70 and 4,894,672.20 is: 7,342,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408,225.80 : 20,112,338.70 = 4,894,672.20 : x
  2. Step 2: Convert to fraction form
    13,408,225.80/20,112,338.70 = 4,894,672.20/x
  3. Step 3: Cross multiply
    13,408,225.80x = 20,112,338.70 × 4,894,672.20
  4. Step 4: Simplify right side
    13,408,225.80x = 98,443,305,111,874.14
  5. Step 5: Solve for x
    x = 98,443,305,111,874.14/13,408,225.80
  6. Step 6: Final answer
    x = 7,342,008.30

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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.