Home / 22,972,739.40-31,701,969.81-12,518,846.55

Finding the Fourth Proportional to 22,972,739.40, 31,701,969.81 and 12,518,846.55

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Solution

The fourth proportional to 22,972,739.40, 31,701,969.81 and 12,518,846.55 is: 17,275,784.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,972,739.40 : 31,701,969.81 = 12,518,846.55 : x
  2. Step 2: Convert to fraction form
    22,972,739.40/31,701,969.81 = 12,518,846.55/x
  3. Step 3: Cross multiply
    22,972,739.40x = 31,701,969.81 × 12,518,846.55
  4. Step 4: Simplify right side
    22,972,739.40x = 396,872,095,384,122.69
  5. Step 5: Solve for x
    x = 396,872,095,384,122.69/22,972,739.40
  6. Step 6: Final answer
    x = 17,275,784.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.