Home / 7,800,600.40-11,700,900.60-3,549,072.40

Finding the Fourth Proportional to 7,800,600.40, 11,700,900.60 and 3,549,072.40

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Solution

The fourth proportional to 7,800,600.40, 11,700,900.60 and 3,549,072.40 is: 5,323,608.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800,600.40 : 11,700,900.60 = 3,549,072.40 : x
  2. Step 2: Convert to fraction form
    7,800,600.40/11,700,900.60 = 3,549,072.40/x
  3. Step 3: Cross multiply
    7,800,600.40x = 11,700,900.60 × 3,549,072.40
  4. Step 4: Simplify right side
    7,800,600.40x = 41,527,343,374,603.44
  5. Step 5: Solve for x
    x = 41,527,343,374,603.44/7,800,600.40
  6. Step 6: Final answer
    x = 5,323,608.60

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Similar ratio
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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.