Home / 10,519,627.60-15,779,441.40-8,393,863.60

Finding the Fourth Proportional to 10,519,627.60, 15,779,441.40 and 8,393,863.60

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Solution

The fourth proportional to 10,519,627.60, 15,779,441.40 and 8,393,863.60 is: 12,590,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519,627.60 : 15,779,441.40 = 8,393,863.60 : x
  2. Step 2: Convert to fraction form
    10,519,627.60/15,779,441.40 = 8,393,863.60/x
  3. Step 3: Cross multiply
    10,519,627.60x = 15,779,441.40 × 8,393,863.60
  4. Step 4: Simplify right side
    10,519,627.60x = 132,450,478,795,793.03
  5. Step 5: Solve for x
    x = 132,450,478,795,793.03/10,519,627.60
  6. Step 6: Final answer
    x = 12,590,795.40

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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.