Home / 8,193,751.60-12,290,627.40-5,215,140.40

Finding the Fourth Proportional to 8,193,751.60, 12,290,627.40 and 5,215,140.40

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Solution

The fourth proportional to 8,193,751.60, 12,290,627.40 and 5,215,140.40 is: 7,822,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193,751.60 : 12,290,627.40 = 5,215,140.40 : x
  2. Step 2: Convert to fraction form
    8,193,751.60/12,290,627.40 = 5,215,140.40/x
  3. Step 3: Cross multiply
    8,193,751.60x = 12,290,627.40 × 5,215,140.40
  4. Step 4: Simplify right side
    8,193,751.60x = 64,097,347,495,086.97
  5. Step 5: Solve for x
    x = 64,097,347,495,086.97/8,193,751.60
  6. Step 6: Final answer
    x = 7,822,710.60

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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.