Home / 8,434,335.60-12,651,503.40-5,245,689.60

Finding the Fourth Proportional to 8,434,335.60, 12,651,503.40 and 5,245,689.60

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Solution

The fourth proportional to 8,434,335.60, 12,651,503.40 and 5,245,689.60 is: 7,868,534.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434,335.60 : 12,651,503.40 = 5,245,689.60 : x
  2. Step 2: Convert to fraction form
    8,434,335.60/12,651,503.40 = 5,245,689.60/x
  3. Step 3: Cross multiply
    8,434,335.60x = 12,651,503.40 × 5,245,689.60
  4. Step 4: Simplify right side
    8,434,335.60x = 66,365,859,809,744.64
  5. Step 5: Solve for x
    x = 66,365,859,809,744.64/8,434,335.60
  6. Step 6: Final answer
    x = 7,868,534.40

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Double scale
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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.