Home / 8,341,346.40-12,512,019.60-6,661,730.40

Finding the Fourth Proportional to 8,341,346.40, 12,512,019.60 and 6,661,730.40

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Solution

The fourth proportional to 8,341,346.40, 12,512,019.60 and 6,661,730.40 is: 9,992,595.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341,346.40 : 12,512,019.60 = 6,661,730.40 : x
  2. Step 2: Convert to fraction form
    8,341,346.40/12,512,019.60 = 6,661,730.40/x
  3. Step 3: Cross multiply
    8,341,346.40x = 12,512,019.60 × 6,661,730.40
  4. Step 4: Simplify right side
    8,341,346.40x = 83,351,701,334,715.84
  5. Step 5: Solve for x
    x = 83,351,701,334,715.84/8,341,346.40
  6. Step 6: Final answer
    x = 9,992,595.60

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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.