Home / 10,639,456.85-15,961,426.96-3,450,430.20

Finding the Fourth Proportional to 10,639,456.85, 15,961,426.96 and 3,450,430.20

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Solution

The fourth proportional to 10,639,456.85, 15,961,426.96 and 3,450,430.20 is: 5,176,372.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639,456.85 : 15,961,426.96 = 3,450,430.20 : x
  2. Step 2: Convert to fraction form
    10,639,456.85/15,961,426.96 = 3,450,430.20/x
  3. Step 3: Cross multiply
    10,639,456.85x = 15,961,426.96 × 3,450,430.20
  4. Step 4: Simplify right side
    10,639,456.85x = 55,073,789,617,878.20
  5. Step 5: Solve for x
    x = 55,073,789,617,878.20/10,639,456.85
  6. Step 6: Final answer
    x = 5,176,372.29

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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.