Home / 31,969,969.80-47,954,954.70-11,772,587.40

Finding the Fourth Proportional to 31,969,969.80, 47,954,954.70 and 11,772,587.40

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Solution

The fourth proportional to 31,969,969.80, 47,954,954.70 and 11,772,587.40 is: 17,658,881.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,969,969.80 : 47,954,954.70 = 11,772,587.40 : x
  2. Step 2: Convert to fraction form
    31,969,969.80/47,954,954.70 = 11,772,587.40/x
  3. Step 3: Cross multiply
    31,969,969.80x = 47,954,954.70 × 11,772,587.40
  4. Step 4: Simplify right side
    31,969,969.80x = 564,553,895,468,790.88
  5. Step 5: Solve for x
    x = 564,553,895,468,790.88/31,969,969.80
  6. Step 6: Final answer
    x = 17,658,881.10

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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.