Home / 15,833,781.61-21,848,777.26-8,864,852.65

Finding the Fourth Proportional to 15,833,781.61, 21,848,777.26 and 8,864,852.65

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Solution

The fourth proportional to 15,833,781.61, 21,848,777.26 and 8,864,852.65 is: 12,232,465.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,833,781.61 : 21,848,777.26 = 8,864,852.65 : x
  2. Step 2: Convert to fraction form
    15,833,781.61/21,848,777.26 = 8,864,852.65/x
  3. Step 3: Cross multiply
    15,833,781.61x = 21,848,777.26 × 8,864,852.65
  4. Step 4: Simplify right side
    15,833,781.61x = 193,686,190,992,570.75
  5. Step 5: Solve for x
    x = 193,686,190,992,570.75/15,833,781.61
  6. Step 6: Final answer
    x = 12,232,465.73

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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.