Home / 7,193,520.40-9,926,940.70-3,930,264.90

Finding the Fourth Proportional to 7,193,520.40, 9,926,940.70 and 3,930,264.90

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Solution

The fourth proportional to 7,193,520.40, 9,926,940.70 and 3,930,264.90 is: 5,423,701.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,193,520.40 : 9,926,940.70 = 3,930,264.90 : x
  2. Step 2: Convert to fraction form
    7,193,520.40/9,926,940.70 = 3,930,264.90/x
  3. Step 3: Cross multiply
    7,193,520.40x = 9,926,940.70 × 3,930,264.90
  4. Step 4: Simplify right side
    7,193,520.40x = 39,015,506,597,591.43
  5. Step 5: Solve for x
    x = 39,015,506,597,591.43/7,193,520.40
  6. Step 6: Final answer
    x = 5,423,701.39

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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.