Home / 28,193,481.96-42,290,260.02-7,723,383.51

Finding the Fourth Proportional to 28,193,481.96, 42,290,260.02 and 7,723,383.51

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Solution

The fourth proportional to 28,193,481.96, 42,290,260.02 and 7,723,383.51 is: 11,585,085.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,193,481.96 : 42,290,260.02 = 7,723,383.51 : x
  2. Step 2: Convert to fraction form
    28,193,481.96/42,290,260.02 = 7,723,383.51/x
  3. Step 3: Cross multiply
    28,193,481.96x = 42,290,260.02 × 7,723,383.51
  4. Step 4: Simplify right side
    28,193,481.96x = 326,623,896,872,080.31
  5. Step 5: Solve for x
    x = 326,623,896,872,080.31/28,193,481.96
  6. Step 6: Final answer
    x = 11,585,085.42

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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.