Home / 12,979,161.88-19,455,013.74-4,888,637

Finding the Fourth Proportional to 12,979,161.88, 19,455,013.74 and 4,888,637

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Solution

The fourth proportional to 12,979,161.88, 19,455,013.74 and 4,888,637 is: 7,327,784.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,979,161.88 : 19,455,013.74 = 4,888,637 : x
  2. Step 2: Convert to fraction form
    12,979,161.88/19,455,013.74 = 4,888,637/x
  3. Step 3: Cross multiply
    12,979,161.88x = 19,455,013.74 × 4,888,637
  4. Step 4: Simplify right side
    12,979,161.88x = 95,108,500,004,872.38
  5. Step 5: Solve for x
    x = 95,108,500,004,872.38/12,979,161.88
  6. Step 6: Final answer
    x = 7,327,784.40

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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.