Home / 12,451,812.40-18,677,718.60-8,798,647.60

Finding the Fourth Proportional to 12,451,812.40, 18,677,718.60 and 8,798,647.60

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Solution

The fourth proportional to 12,451,812.40, 18,677,718.60 and 8,798,647.60 is: 13,197,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451,812.40 : 18,677,718.60 = 8,798,647.60 : x
  2. Step 2: Convert to fraction form
    12,451,812.40/18,677,718.60 = 8,798,647.60/x
  3. Step 3: Cross multiply
    12,451,812.40x = 18,677,718.60 × 8,798,647.60
  4. Step 4: Simplify right side
    12,451,812.40x = 164,338,663,933,365.38
  5. Step 5: Solve for x
    x = 164,338,663,933,365.38/12,451,812.40
  6. Step 6: Final answer
    x = 13,197,971.40

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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.