Home / 15,673,881.32-21,627,997.60-8,703,611.16

Finding the Fourth Proportional to 15,673,881.32, 21,627,997.60 and 8,703,611.16

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Solution

The fourth proportional to 15,673,881.32, 21,627,997.60 and 8,703,611.16 is: 12,009,895.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,673,881.32 : 21,627,997.60 = 8,703,611.16 : x
  2. Step 2: Convert to fraction form
    15,673,881.32/21,627,997.60 = 8,703,611.16/x
  3. Step 3: Cross multiply
    15,673,881.32x = 21,627,997.60 × 8,703,611.16
  4. Step 4: Simplify right side
    15,673,881.32x = 188,241,681,279,813.22
  5. Step 5: Solve for x
    x = 188,241,681,279,813.22/15,673,881.32
  6. Step 6: Final answer
    x = 12,009,895.79

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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.