Home / 11,992,719-16,549,952.85-6,486,092.31

Finding the Fourth Proportional to 11,992,719, 16,549,952.85 and 6,486,092.31

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Solution

The fourth proportional to 11,992,719, 16,549,952.85 and 6,486,092.31 is: 8,950,807.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992,719 : 16,549,952.85 = 6,486,092.31 : x
  2. Step 2: Convert to fraction form
    11,992,719/16,549,952.85 = 6,486,092.31/x
  3. Step 3: Cross multiply
    11,992,719x = 16,549,952.85 × 6,486,092.31
  4. Step 4: Simplify right side
    11,992,719x = 107,344,521,911,247.58
  5. Step 5: Solve for x
    x = 107,344,521,911,247.58/11,992,719
  6. Step 6: Final answer
    x = 8,950,807.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.