Home / 21,885,848.10-30,204,034.14-12,096,081.60

Finding the Fourth Proportional to 21,885,848.10, 30,204,034.14 and 12,096,081.60

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Solution

The fourth proportional to 21,885,848.10, 30,204,034.14 and 12,096,081.60 is: 16,693,456.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,885,848.10 : 30,204,034.14 = 12,096,081.60 : x
  2. Step 2: Convert to fraction form
    21,885,848.10/30,204,034.14 = 12,096,081.60/x
  3. Step 3: Cross multiply
    21,885,848.10x = 30,204,034.14 × 12,096,081.60
  4. Step 4: Simplify right side
    21,885,848.10x = 365,350,461,606,625.81
  5. Step 5: Solve for x
    x = 365,350,461,606,625.81/21,885,848.10
  6. Step 6: Final answer
    x = 16,693,456.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.