Home / 12,979,159.38-19,455,009.99-4,888,634.50

Finding the Fourth Proportional to 12,979,159.38, 19,455,009.99 and 4,888,634.50

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Solution

The fourth proportional to 12,979,159.38, 19,455,009.99 and 4,888,634.50 is: 7,327,780.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,979,159.38 : 19,455,009.99 = 4,888,634.50 : x
  2. Step 2: Convert to fraction form
    12,979,159.38/19,455,009.99 = 4,888,634.50/x
  3. Step 3: Cross multiply
    12,979,159.38x = 19,455,009.99 × 4,888,634.50
  4. Step 4: Simplify right side
    12,979,159.38x = 95,108,433,034,958.64
  5. Step 5: Solve for x
    x = 95,108,433,034,958.64/12,979,159.38
  6. Step 6: Final answer
    x = 7,327,780.66

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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.