Home / 13,900,528.20-20,852,760.60-4,314,907.20

Finding the Fourth Proportional to 13,900,528.20, 20,852,760.60 and 4,314,907.20

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Solution

The fourth proportional to 13,900,528.20, 20,852,760.60 and 4,314,907.20 is: 6,472,971.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900,528.20 : 20,852,760.60 = 4,314,907.20 : x
  2. Step 2: Convert to fraction form
    13,900,528.20/20,852,760.60 = 4,314,907.20/x
  3. Step 3: Cross multiply
    13,900,528.20x = 20,852,760.60 × 4,314,907.20
  4. Step 4: Simplify right side
    13,900,528.20x = 89,977,726,852,816.33
  5. Step 5: Solve for x
    x = 89,977,726,852,816.33/13,900,528.20
  6. Step 6: Final answer
    x = 6,472,971.79

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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.