Home / 12,878,892.88-19,327,196.63-5,305,858.63

Finding the Fourth Proportional to 12,878,892.88, 19,327,196.63 and 5,305,858.63

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Solution

The fourth proportional to 12,878,892.88, 19,327,196.63 and 5,305,858.63 is: 7,962,436.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,878,892.88 : 19,327,196.63 = 5,305,858.63 : x
  2. Step 2: Convert to fraction form
    12,878,892.88/19,327,196.63 = 5,305,858.63/x
  3. Step 3: Cross multiply
    12,878,892.88x = 19,327,196.63 × 5,305,858.63
  4. Step 4: Simplify right side
    12,878,892.88x = 102,547,372,997,939.08
  5. Step 5: Solve for x
    x = 102,547,372,997,939.08/12,878,892.88
  6. Step 6: Final answer
    x = 7,962,436.99

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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.