Home / 13,285,371.70-19,928,057.55-8,498,466.10

Finding the Fourth Proportional to 13,285,371.70, 19,928,057.55 and 8,498,466.10

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Solution

The fourth proportional to 13,285,371.70, 19,928,057.55 and 8,498,466.10 is: 12,747,699.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,371.70 : 19,928,057.55 = 8,498,466.10 : x
  2. Step 2: Convert to fraction form
    13,285,371.70/19,928,057.55 = 8,498,466.10/x
  3. Step 3: Cross multiply
    13,285,371.70x = 19,928,057.55 × 8,498,466.10
  4. Step 4: Simplify right side
    13,285,371.70x = 169,357,921,527,524.06
  5. Step 5: Solve for x
    x = 169,357,921,527,524.06/13,285,371.70
  6. Step 6: Final answer
    x = 12,747,699.15

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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.