Home / 22,783,865.74-31,441,772.78-12,471,242.20

Finding the Fourth Proportional to 22,783,865.74, 31,441,772.78 and 12,471,242.20

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Solution

The fourth proportional to 22,783,865.74, 31,441,772.78 and 12,471,242.20 is: 17,210,335.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,783,865.74 : 31,441,772.78 = 12,471,242.20 : x
  2. Step 2: Convert to fraction form
    22,783,865.74/31,441,772.78 = 12,471,242.20/x
  3. Step 3: Cross multiply
    22,783,865.74x = 31,441,772.78 × 12,471,242.20
  4. Step 4: Simplify right side
    22,783,865.74x = 392,117,963,474,391.06
  5. Step 5: Solve for x
    x = 392,117,963,474,391.06/22,783,865.74
  6. Step 6: Final answer
    x = 17,210,335.07

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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.