Home / 18,189,312.40-27,283,968.60-12,449,749.60

Finding the Fourth Proportional to 18,189,312.40, 27,283,968.60 and 12,449,749.60

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Solution

The fourth proportional to 18,189,312.40, 27,283,968.60 and 12,449,749.60 is: 18,674,624.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,189,312.40 : 27,283,968.60 = 12,449,749.60 : x
  2. Step 2: Convert to fraction form
    18,189,312.40/27,283,968.60 = 12,449,749.60/x
  3. Step 3: Cross multiply
    18,189,312.40x = 27,283,968.60 × 12,449,749.60
  4. Step 4: Simplify right side
    18,189,312.40x = 339,678,577,164,262.56
  5. Step 5: Solve for x
    x = 339,678,577,164,262.56/18,189,312.40
  6. Step 6: Final answer
    x = 18,674,624.40

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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.