Home / 15,120,007.20-22,680,010.80-5,022,628.20

Finding the Fourth Proportional to 15,120,007.20, 22,680,010.80 and 5,022,628.20

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Solution

The fourth proportional to 15,120,007.20, 22,680,010.80 and 5,022,628.20 is: 7,533,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,120,007.20 : 22,680,010.80 = 5,022,628.20 : x
  2. Step 2: Convert to fraction form
    15,120,007.20/22,680,010.80 = 5,022,628.20/x
  3. Step 3: Cross multiply
    15,120,007.20x = 22,680,010.80 × 5,022,628.20
  4. Step 4: Simplify right side
    15,120,007.20x = 113,913,261,820,384.56
  5. Step 5: Solve for x
    x = 113,913,261,820,384.56/15,120,007.20
  6. Step 6: Final answer
    x = 7,533,942.30

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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.