Home / 10,521,835.73-15,783,365.94-2,949,391.97

Finding the Fourth Proportional to 10,521,835.73, 15,783,365.94 and 2,949,391.97

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Solution

The fourth proportional to 10,521,835.73, 15,783,365.94 and 2,949,391.97 is: 4,424,259.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,521,835.73 : 15,783,365.94 = 2,949,391.97 : x
  2. Step 2: Convert to fraction form
    10,521,835.73/15,783,365.94 = 2,949,391.97/x
  3. Step 3: Cross multiply
    10,521,835.73x = 15,783,365.94 × 2,949,391.97
  4. Step 4: Simplify right side
    10,521,835.73x = 46,551,332,712,488.86
  5. Step 5: Solve for x
    x = 46,551,332,712,488.86/10,521,835.73
  6. Step 6: Final answer
    x = 4,424,259.60

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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.