Home / 31,502,643.50-47,261,936.86-8,783,540.76

Finding the Fourth Proportional to 31,502,643.50, 47,261,936.86 and 8,783,540.76

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Solution

The fourth proportional to 31,502,643.50, 47,261,936.86 and 8,783,540.76 is: 13,177,533.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,502,643.50 : 47,261,936.86 = 8,783,540.76 : x
  2. Step 2: Convert to fraction form
    31,502,643.50/47,261,936.86 = 8,783,540.76/x
  3. Step 3: Cross multiply
    31,502,643.50x = 47,261,936.86 × 8,783,540.76
  4. Step 4: Simplify right side
    31,502,643.50x = 415,127,148,806,356.38
  5. Step 5: Solve for x
    x = 415,127,148,806,356.38/31,502,643.50
  6. Step 6: Final answer
    x = 13,177,533.78

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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.