Home / 54,294,942.12-81,442,429.38-15,956,456.28

Finding the Fourth Proportional to 54,294,942.12, 81,442,429.38 and 15,956,456.28

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Solution

The fourth proportional to 54,294,942.12, 81,442,429.38 and 15,956,456.28 is: 23,934,689.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,294,942.12 : 81,442,429.38 = 15,956,456.28 : x
  2. Step 2: Convert to fraction form
    54,294,942.12/81,442,429.38 = 15,956,456.28/x
  3. Step 3: Cross multiply
    54,294,942.12x = 81,442,429.38 × 15,956,456.28
  4. Step 4: Simplify right side
    54,294,942.12x = 1,299,532,563,738,957.50
  5. Step 5: Solve for x
    x = 1,299,532,563,738,957.50/54,294,942.12
  6. Step 6: Final answer
    x = 23,934,689.18

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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.