Home / 30,436,855.76-42,001,735.28-16,497,911.58

Finding the Fourth Proportional to 30,436,855.76, 42,001,735.28 and 16,497,911.58

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Solution

The fourth proportional to 30,436,855.76, 42,001,735.28 and 16,497,911.58 is: 22,766,507.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,436,855.76 : 42,001,735.28 = 16,497,911.58 : x
  2. Step 2: Convert to fraction form
    30,436,855.76/42,001,735.28 = 16,497,911.58/x
  3. Step 3: Cross multiply
    30,436,855.76x = 42,001,735.28 × 16,497,911.58
  4. Step 4: Simplify right side
    30,436,855.76x = 692,940,914,856,006.62
  5. Step 5: Solve for x
    x = 692,940,914,856,006.62/30,436,855.76
  6. Step 6: Final answer
    x = 22,766,507.83

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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.