Home / 10,328,519.80-15,493,362.90-3,140,288.20

Finding the Fourth Proportional to 10,328,519.80, 15,493,362.90 and 3,140,288.20

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Solution

The fourth proportional to 10,328,519.80, 15,493,362.90 and 3,140,288.20 is: 4,710,609.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328,519.80 : 15,493,362.90 = 3,140,288.20 : x
  2. Step 2: Convert to fraction form
    10,328,519.80/15,493,362.90 = 3,140,288.20/x
  3. Step 3: Cross multiply
    10,328,519.80x = 15,493,362.90 × 3,140,288.20
  4. Step 4: Simplify right side
    10,328,519.80x = 48,653,624,693,187.78
  5. Step 5: Solve for x
    x = 48,653,624,693,187.78/10,328,519.80
  6. Step 6: Final answer
    x = 4,710,609.62

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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.