Home / 31,969,969.30-47,954,953.95-11,772,586.90

Finding the Fourth Proportional to 31,969,969.30, 47,954,953.95 and 11,772,586.90

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Solution

The fourth proportional to 31,969,969.30, 47,954,953.95 and 11,772,586.90 is: 17,658,880.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,969,969.30 : 47,954,953.95 = 11,772,586.90 : x
  2. Step 2: Convert to fraction form
    31,969,969.30/47,954,953.95 = 11,772,586.90/x
  3. Step 3: Cross multiply
    31,969,969.30x = 47,954,953.95 × 11,772,586.90
  4. Step 4: Simplify right side
    31,969,969.30x = 564,553,862,661,873.25
  5. Step 5: Solve for x
    x = 564,553,862,661,873.25/31,969,969.30
  6. Step 6: Final answer
    x = 17,658,880.35

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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.