Home / 8,342,415.60-12,513,623.40-7,397,631.60

Finding the Fourth Proportional to 8,342,415.60, 12,513,623.40 and 7,397,631.60

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Solution

The fourth proportional to 8,342,415.60, 12,513,623.40 and 7,397,631.60 is: 11,096,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342,415.60 : 12,513,623.40 = 7,397,631.60 : x
  2. Step 2: Convert to fraction form
    8,342,415.60/12,513,623.40 = 7,397,631.60/x
  3. Step 3: Cross multiply
    8,342,415.60x = 12,513,623.40 × 7,397,631.60
  4. Step 4: Simplify right side
    8,342,415.60x = 92,571,175,894,339.44
  5. Step 5: Solve for x
    x = 92,571,175,894,339.44/8,342,415.60
  6. Step 6: Final answer
    x = 11,096,447.40

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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.