Home / 18,453,606.60-27,680,409.90-5,674,090.80

Finding the Fourth Proportional to 18,453,606.60, 27,680,409.90 and 5,674,090.80

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Solution

The fourth proportional to 18,453,606.60, 27,680,409.90 and 5,674,090.80 is: 8,511,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453,606.60 : 27,680,409.90 = 5,674,090.80 : x
  2. Step 2: Convert to fraction form
    18,453,606.60/27,680,409.90 = 5,674,090.80/x
  3. Step 3: Cross multiply
    18,453,606.60x = 27,680,409.90 × 5,674,090.80
  4. Step 4: Simplify right side
    18,453,606.60x = 157,061,159,153,818.91
  5. Step 5: Solve for x
    x = 157,061,159,153,818.91/18,453,606.60
  6. Step 6: Final answer
    x = 8,511,136.20

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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.