Home / 31,760,029.80-47,640,044.70-19,666,794.60

Finding the Fourth Proportional to 31,760,029.80, 47,640,044.70 and 19,666,794.60

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Solution

The fourth proportional to 31,760,029.80, 47,640,044.70 and 19,666,794.60 is: 29,500,191.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,760,029.80 : 47,640,044.70 = 19,666,794.60 : x
  2. Step 2: Convert to fraction form
    31,760,029.80/47,640,044.70 = 19,666,794.60/x
  3. Step 3: Cross multiply
    31,760,029.80x = 47,640,044.70 × 19,666,794.60
  4. Step 4: Simplify right side
    31,760,029.80x = 936,926,973,849,718.75
  5. Step 5: Solve for x
    x = 936,926,973,849,718.75/31,760,029.80
  6. Step 6: Final answer
    x = 29,500,191.90

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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.