Home / 18,145,034.40-27,217,551.60-12,476,330.40

Finding the Fourth Proportional to 18,145,034.40, 27,217,551.60 and 12,476,330.40

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Solution

The fourth proportional to 18,145,034.40, 27,217,551.60 and 12,476,330.40 is: 18,714,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,034.40 : 27,217,551.60 = 12,476,330.40 : x
  2. Step 2: Convert to fraction form
    18,145,034.40/27,217,551.60 = 12,476,330.40/x
  3. Step 3: Cross multiply
    18,145,034.40x = 27,217,551.60 × 12,476,330.40
  4. Step 4: Simplify right side
    18,145,034.40x = 339,575,166,440,648.69
  5. Step 5: Solve for x
    x = 339,575,166,440,648.69/18,145,034.40
  6. Step 6: Final answer
    x = 18,714,495.60

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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.