Home / 40,990,109.70-61,476,307.20-17,960,999.70

Finding the Fourth Proportional to 40,990,109.70, 61,476,307.20 and 17,960,999.70

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Solution

The fourth proportional to 40,990,109.70, 61,476,307.20 and 17,960,999.70 is: 26,937,618.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,990,109.70 : 61,476,307.20 = 17,960,999.70 : x
  2. Step 2: Convert to fraction form
    40,990,109.70/61,476,307.20 = 17,960,999.70/x
  3. Step 3: Cross multiply
    40,990,109.70x = 61,476,307.20 × 17,960,999.70
  4. Step 4: Simplify right side
    40,990,109.70x = 1,104,175,935,176,307.88
  5. Step 5: Solve for x
    x = 1,104,175,935,176,307.88/40,990,109.70
  6. Step 6: Final answer
    x = 26,937,618.45

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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.