Home / 61,078,392.72-91,616,782.86-15,020,659.80

Finding the Fourth Proportional to 61,078,392.72, 91,616,782.86 and 15,020,659.80

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Solution

The fourth proportional to 61,078,392.72, 91,616,782.86 and 15,020,659.80 is: 22,530,791.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,078,392.72 : 91,616,782.86 = 15,020,659.80 : x
  2. Step 2: Convert to fraction form
    61,078,392.72/91,616,782.86 = 15,020,659.80/x
  3. Step 3: Cross multiply
    61,078,392.72x = 91,616,782.86 × 15,020,659.80
  4. Step 4: Simplify right side
    61,078,392.72x = 1,376,144,527,310,531
  5. Step 5: Solve for x
    x = 1,376,144,527,310,531/61,078,392.72
  6. Step 6: Final answer
    x = 22,530,791.43

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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.