Home / 9,972,821.16-14,959,231.20-2,399,787.72

Finding the Fourth Proportional to 9,972,821.16, 14,959,231.20 and 2,399,787.72

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Solution

The fourth proportional to 9,972,821.16, 14,959,231.20 and 2,399,787.72 is: 3,599,681.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,972,821.16 : 14,959,231.20 = 2,399,787.72 : x
  2. Step 2: Convert to fraction form
    9,972,821.16/14,959,231.20 = 2,399,787.72/x
  3. Step 3: Cross multiply
    9,972,821.16x = 14,959,231.20 × 2,399,787.72
  4. Step 4: Simplify right side
    9,972,821.16x = 35,898,979,334,400.87
  5. Step 5: Solve for x
    x = 35,898,979,334,400.87/9,972,821.16
  6. Step 6: Final answer
    x = 3,599,681.45

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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.