Home / 10,645,544.80-15,968,317.20-5,255,027.20

Finding the Fourth Proportional to 10,645,544.80, 15,968,317.20 and 5,255,027.20

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Solution

The fourth proportional to 10,645,544.80, 15,968,317.20 and 5,255,027.20 is: 7,882,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645,544.80 : 15,968,317.20 = 5,255,027.20 : x
  2. Step 2: Convert to fraction form
    10,645,544.80/15,968,317.20 = 5,255,027.20/x
  3. Step 3: Cross multiply
    10,645,544.80x = 15,968,317.20 × 5,255,027.20
  4. Step 4: Simplify right side
    10,645,544.80x = 83,913,941,224,227.84
  5. Step 5: Solve for x
    x = 83,913,941,224,227.84/10,645,544.80
  6. Step 6: Final answer
    x = 7,882,540.80

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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.