Home / 18,445,092.90-27,667,639.35-12,776,388.90

Finding the Fourth Proportional to 18,445,092.90, 27,667,639.35 and 12,776,388.90

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Solution

The fourth proportional to 18,445,092.90, 27,667,639.35 and 12,776,388.90 is: 19,164,583.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445,092.90 : 27,667,639.35 = 12,776,388.90 : x
  2. Step 2: Convert to fraction form
    18,445,092.90/27,667,639.35 = 12,776,388.90/x
  3. Step 3: Cross multiply
    18,445,092.90x = 27,667,639.35 × 12,776,388.90
  4. Step 4: Simplify right side
    18,445,092.90x = 353,492,520,280,543.25
  5. Step 5: Solve for x
    x = 353,492,520,280,543.25/18,445,092.90
  6. Step 6: Final answer
    x = 19,164,583.35

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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.