Home / 12,979,159.88-19,455,010.74-4,888,635

Finding the Fourth Proportional to 12,979,159.88, 19,455,010.74 and 4,888,635

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Solution

The fourth proportional to 12,979,159.88, 19,455,010.74 and 4,888,635 is: 7,327,781.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,979,159.88 : 19,455,010.74 = 4,888,635 : x
  2. Step 2: Convert to fraction form
    12,979,159.88/19,455,010.74 = 4,888,635/x
  3. Step 3: Cross multiply
    12,979,159.88x = 19,455,010.74 × 4,888,635
  4. Step 4: Simplify right side
    12,979,159.88x = 95,108,446,428,939.89
  5. Step 5: Solve for x
    x = 95,108,446,428,939.89/12,979,159.88
  6. Step 6: Final answer
    x = 7,327,781.41

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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.