Home / 12,357,605.72-18,536,371.50-3,135,560.36

Finding the Fourth Proportional to 12,357,605.72, 18,536,371.50 and 3,135,560.36

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Solution

The fourth proportional to 12,357,605.72, 18,536,371.50 and 3,135,560.36 is: 4,703,331.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,357,605.72 : 18,536,371.50 = 3,135,560.36 : x
  2. Step 2: Convert to fraction form
    12,357,605.72/18,536,371.50 = 3,135,560.36/x
  3. Step 3: Cross multiply
    12,357,605.72x = 18,536,371.50 × 3,135,560.36
  4. Step 4: Simplify right side
    12,357,605.72x = 58,121,911,693,633.73
  5. Step 5: Solve for x
    x = 58,121,911,693,633.73/12,357,605.72
  6. Step 6: Final answer
    x = 4,703,331.13

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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.