Home / 31,131,325.70-46,696,988.55-19,821,911.30

Finding the Fourth Proportional to 31,131,325.70, 46,696,988.55 and 19,821,911.30

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Solution

The fourth proportional to 31,131,325.70, 46,696,988.55 and 19,821,911.30 is: 29,732,866.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,131,325.70 : 46,696,988.55 = 19,821,911.30 : x
  2. Step 2: Convert to fraction form
    31,131,325.70/46,696,988.55 = 19,821,911.30/x
  3. Step 3: Cross multiply
    31,131,325.70x = 46,696,988.55 × 19,821,911.30
  4. Step 4: Simplify right side
    31,131,325.70x = 925,623,565,015,215.62
  5. Step 5: Solve for x
    x = 925,623,565,015,215.62/31,131,325.70
  6. Step 6: Final answer
    x = 29,732,866.95

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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.