Home / 30,608,962.94-42,239,506.10-16,670,003.42

Finding the Fourth Proportional to 30,608,962.94, 42,239,506.10 and 16,670,003.42

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Solution

The fourth proportional to 30,608,962.94, 42,239,506.10 and 16,670,003.42 is: 23,004,134.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,608,962.94 : 42,239,506.10 = 16,670,003.42 : x
  2. Step 2: Convert to fraction form
    30,608,962.94/42,239,506.10 = 16,670,003.42/x
  3. Step 3: Cross multiply
    30,608,962.94x = 42,239,506.10 × 16,670,003.42
  4. Step 4: Simplify right side
    30,608,962.94x = 704,132,711,146,110.88
  5. Step 5: Solve for x
    x = 704,132,711,146,110.88/30,608,962.94
  6. Step 6: Final answer
    x = 23,004,134.85

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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.