Home / 21,224,617.20-31,843,655.64-7,577,470.80

Finding the Fourth Proportional to 21,224,617.20, 31,843,655.64 and 7,577,470.80

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Solution

The fourth proportional to 21,224,617.20, 31,843,655.64 and 7,577,470.80 is: 11,368,608.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,224,617.20 : 31,843,655.64 = 7,577,470.80 : x
  2. Step 2: Convert to fraction form
    21,224,617.20/31,843,655.64 = 7,577,470.80/x
  3. Step 3: Cross multiply
    21,224,617.20x = 31,843,655.64 × 7,577,470.80
  4. Step 4: Simplify right side
    21,224,617.20x = 241,294,370,777,355.31
  5. Step 5: Solve for x
    x = 241,294,370,777,355.31/21,224,617.20
  6. Step 6: Final answer
    x = 11,368,608.84

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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.