Home / 15,936,467.07-21,989,580.89-8,966,177.31

Finding the Fourth Proportional to 15,936,467.07, 21,989,580.89 and 8,966,177.31

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Solution

The fourth proportional to 15,936,467.07, 21,989,580.89 and 8,966,177.31 is: 12,371,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,936,467.07 : 21,989,580.89 = 8,966,177.31 : x
  2. Step 2: Convert to fraction form
    15,936,467.07/21,989,580.89 = 8,966,177.31/x
  3. Step 3: Cross multiply
    15,936,467.07x = 21,989,580.89 × 8,966,177.31
  4. Step 4: Simplify right side
    15,936,467.07x = 197,162,481,232,327.62
  5. Step 5: Solve for x
    x = 197,162,481,232,327.62/15,936,467.07
  6. Step 6: Final answer
    x = 12,371,781.05

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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.