Home / 10,361,661.20-15,542,491.80-7,338,352.40

Finding the Fourth Proportional to 10,361,661.20, 15,542,491.80 and 7,338,352.40

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Solution

The fourth proportional to 10,361,661.20, 15,542,491.80 and 7,338,352.40 is: 11,007,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361,661.20 : 15,542,491.80 = 7,338,352.40 : x
  2. Step 2: Convert to fraction form
    10,361,661.20/15,542,491.80 = 7,338,352.40/x
  3. Step 3: Cross multiply
    10,361,661.20x = 15,542,491.80 × 7,338,352.40
  4. Step 4: Simplify right side
    10,361,661.20x = 114,056,282,002,510.33
  5. Step 5: Solve for x
    x = 114,056,282,002,510.33/10,361,661.20
  6. Step 6: Final answer
    x = 11,007,528.60

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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.