Home / 10,352,825.20-15,529,237.80-9,722,969.20

Finding the Fourth Proportional to 10,352,825.20, 15,529,237.80 and 9,722,969.20

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Solution

The fourth proportional to 10,352,825.20, 15,529,237.80 and 9,722,969.20 is: 14,584,453.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352,825.20 : 15,529,237.80 = 9,722,969.20 : x
  2. Step 2: Convert to fraction form
    10,352,825.20/15,529,237.80 = 9,722,969.20/x
  3. Step 3: Cross multiply
    10,352,825.20x = 15,529,237.80 × 9,722,969.20
  4. Step 4: Simplify right side
    10,352,825.20x = 150,990,300,828,875.75
  5. Step 5: Solve for x
    x = 150,990,300,828,875.75/10,352,825.20
  6. Step 6: Final answer
    x = 14,584,453.80

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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.