Home / 7,800,620.40-11,700,930.60-3,549,092.40

Finding the Fourth Proportional to 7,800,620.40, 11,700,930.60 and 3,549,092.40

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Solution

The fourth proportional to 7,800,620.40, 11,700,930.60 and 3,549,092.40 is: 5,323,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800,620.40 : 11,700,930.60 = 3,549,092.40 : x
  2. Step 2: Convert to fraction form
    7,800,620.40/11,700,930.60 = 3,549,092.40/x
  3. Step 3: Cross multiply
    7,800,620.40x = 11,700,930.60 × 3,549,092.40
  4. Step 4: Simplify right side
    7,800,620.40x = 41,527,683,865,387.44
  5. Step 5: Solve for x
    x = 41,527,683,865,387.44/7,800,620.40
  6. Step 6: Final answer
    x = 5,323,638.60

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1.5x scale

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.