Home / 13,209,211.20-19,813,816.80-4,690,408.80

Finding the Fourth Proportional to 13,209,211.20, 19,813,816.80 and 4,690,408.80

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Solution

The fourth proportional to 13,209,211.20, 19,813,816.80 and 4,690,408.80 is: 7,035,613.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209,211.20 : 19,813,816.80 = 4,690,408.80 : x
  2. Step 2: Convert to fraction form
    13,209,211.20/19,813,816.80 = 4,690,408.80/x
  3. Step 3: Cross multiply
    13,209,211.20x = 19,813,816.80 × 4,690,408.80
  4. Step 4: Simplify right side
    13,209,211.20x = 92,934,900,680,307.84
  5. Step 5: Solve for x
    x = 92,934,900,680,307.84/13,209,211.20
  6. Step 6: Final answer
    x = 7,035,613.20

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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.