Home / 14,012,911.20-21,019,366.80-3,915,532.20

Finding the Fourth Proportional to 14,012,911.20, 21,019,366.80 and 3,915,532.20

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Solution

The fourth proportional to 14,012,911.20, 21,019,366.80 and 3,915,532.20 is: 5,873,298.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012,911.20 : 21,019,366.80 = 3,915,532.20 : x
  2. Step 2: Convert to fraction form
    14,012,911.20/21,019,366.80 = 3,915,532.20/x
  3. Step 3: Cross multiply
    14,012,911.20x = 21,019,366.80 × 3,915,532.20
  4. Step 4: Simplify right side
    14,012,911.20x = 82,302,007,529,010.97
  5. Step 5: Solve for x
    x = 82,302,007,529,010.97/14,012,911.20
  6. Step 6: Final answer
    x = 5,873,298.30

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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.