Home / 28,361,613.65-42,553,142.24-11,102,149.54

Finding the Fourth Proportional to 28,361,613.65, 42,553,142.24 and 11,102,149.54

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Solution

The fourth proportional to 28,361,613.65, 42,553,142.24 and 11,102,149.54 is: 16,657,421.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,361,613.65 : 42,553,142.24 = 11,102,149.54 : x
  2. Step 2: Convert to fraction form
    28,361,613.65/42,553,142.24 = 11,102,149.54/x
  3. Step 3: Cross multiply
    28,361,613.65x = 42,553,142.24 × 11,102,149.54
  4. Step 4: Simplify right side
    28,361,613.65x = 472,431,348,623,998.06
  5. Step 5: Solve for x
    x = 472,431,348,623,998.06/28,361,613.65
  6. Step 6: Final answer
    x = 16,657,421.35

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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.