Home / 30,501,067.94-45,759,352.10-8,641,423.39

Finding the Fourth Proportional to 30,501,067.94, 45,759,352.10 and 8,641,423.39

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Solution

The fourth proportional to 30,501,067.94, 45,759,352.10 and 8,641,423.39 is: 12,964,330.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,501,067.94 : 45,759,352.10 = 8,641,423.39 : x
  2. Step 2: Convert to fraction form
    30,501,067.94/45,759,352.10 = 8,641,423.39/x
  3. Step 3: Cross multiply
    30,501,067.94x = 45,759,352.10 × 8,641,423.39
  4. Step 4: Simplify right side
    30,501,067.94x = 395,425,935,500,678.56
  5. Step 5: Solve for x
    x = 395,425,935,500,678.56/30,501,067.94
  6. Step 6: Final answer
    x = 12,964,330.83

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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.