Home / 31,102,138.98-42,920,970.12-17,351,103.06

Finding the Fourth Proportional to 31,102,138.98, 42,920,970.12 and 17,351,103.06

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Solution

The fourth proportional to 31,102,138.98, 42,920,970.12 and 17,351,103.06 is: 23,944,532.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,102,138.98 : 42,920,970.12 = 17,351,103.06 : x
  2. Step 2: Convert to fraction form
    31,102,138.98/42,920,970.12 = 17,351,103.06/x
  3. Step 3: Cross multiply
    31,102,138.98x = 42,920,970.12 × 17,351,103.06
  4. Step 4: Simplify right side
    31,102,138.98x = 744,726,175,987,300.50
  5. Step 5: Solve for x
    x = 744,726,175,987,300.50/31,102,138.98
  6. Step 6: Final answer
    x = 23,944,532.45

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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.