Home / 30,632,817.75-42,273,288.90-16,881,781.74

Finding the Fourth Proportional to 30,632,817.75, 42,273,288.90 and 16,881,781.74

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Solution

The fourth proportional to 30,632,817.75, 42,273,288.90 and 16,881,781.74 is: 23,296,859.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,632,817.75 : 42,273,288.90 = 16,881,781.74 : x
  2. Step 2: Convert to fraction form
    30,632,817.75/42,273,288.90 = 16,881,781.74/x
  3. Step 3: Cross multiply
    30,632,817.75x = 42,273,288.90 × 16,881,781.74
  4. Step 4: Simplify right side
    30,632,817.75x = 713,648,436,641,764.62
  5. Step 5: Solve for x
    x = 713,648,436,641,764.62/30,632,817.75
  6. Step 6: Final answer
    x = 23,296,859.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.