Home / 28,361,615.65-42,553,145.24-11,102,151.54

Finding the Fourth Proportional to 28,361,615.65, 42,553,145.24 and 11,102,151.54

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Solution

The fourth proportional to 28,361,615.65, 42,553,145.24 and 11,102,151.54 is: 16,657,424.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,361,615.65 : 42,553,145.24 = 11,102,151.54 : x
  2. Step 2: Convert to fraction form
    28,361,615.65/42,553,145.24 = 11,102,151.54/x
  3. Step 3: Cross multiply
    28,361,615.65x = 42,553,145.24 × 11,102,151.54
  4. Step 4: Simplify right side
    28,361,615.65x = 472,431,466,958,109.62
  5. Step 5: Solve for x
    x = 472,431,466,958,109.62/28,361,615.65
  6. Step 6: Final answer
    x = 16,657,424.34

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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.