Home / 19,360,057.60-29,061,081.60-12,179,699.20

Finding the Fourth Proportional to 19,360,057.60, 29,061,081.60 and 12,179,699.20

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Solution

The fourth proportional to 19,360,057.60, 29,061,081.60 and 12,179,699.20 is: 18,282,757.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360,057.60 : 29,061,081.60 = 12,179,699.20 : x
  2. Step 2: Convert to fraction form
    19,360,057.60/29,061,081.60 = 12,179,699.20/x
  3. Step 3: Cross multiply
    19,360,057.60x = 29,061,081.60 × 12,179,699.20
  4. Step 4: Simplify right side
    19,360,057.60x = 353,955,232,314,654.69
  5. Step 5: Solve for x
    x = 353,955,232,314,654.69/19,360,057.60
  6. Step 6: Final answer
    x = 18,282,757.19

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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.