Home / 31,588,788.93-43,589,823.21-18,177,888.66

Finding the Fourth Proportional to 31,588,788.93, 43,589,823.21 and 18,177,888.66

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Solution

The fourth proportional to 31,588,788.93, 43,589,823.21 and 18,177,888.66 is: 25,083,929.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,588,788.93 : 43,589,823.21 = 18,177,888.66 : x
  2. Step 2: Convert to fraction form
    31,588,788.93/43,589,823.21 = 18,177,888.66/x
  3. Step 3: Cross multiply
    31,588,788.93x = 43,589,823.21 × 18,177,888.66
  4. Step 4: Simplify right side
    31,588,788.93x = 792,370,953,020,463.88
  5. Step 5: Solve for x
    x = 792,370,953,020,463.88/31,588,788.93
  6. Step 6: Final answer
    x = 25,083,929.45

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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.