Home / 10,448,715.20-15,673,072.80-2,772,345.20

Finding the Fourth Proportional to 10,448,715.20, 15,673,072.80 and 2,772,345.20

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Solution

The fourth proportional to 10,448,715.20, 15,673,072.80 and 2,772,345.20 is: 4,158,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,448,715.20 : 15,673,072.80 = 2,772,345.20 : x
  2. Step 2: Convert to fraction form
    10,448,715.20/15,673,072.80 = 2,772,345.20/x
  3. Step 3: Cross multiply
    10,448,715.20x = 15,673,072.80 × 2,772,345.20
  4. Step 4: Simplify right side
    10,448,715.20x = 43,451,168,146,330.56
  5. Step 5: Solve for x
    x = 43,451,168,146,330.56/10,448,715.20
  6. Step 6: Final answer
    x = 4,158,517.80

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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.