Home / 15,211,925.04-20,992,474.74-8,242,597.56

Finding the Fourth Proportional to 15,211,925.04, 20,992,474.74 and 8,242,597.56

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Solution

The fourth proportional to 15,211,925.04, 20,992,474.74 and 8,242,597.56 is: 11,374,794.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,211,925.04 : 20,992,474.74 = 8,242,597.56 : x
  2. Step 2: Convert to fraction form
    15,211,925.04/20,992,474.74 = 8,242,597.56/x
  3. Step 3: Cross multiply
    15,211,925.04x = 20,992,474.74 × 8,242,597.56
  4. Step 4: Simplify right side
    15,211,925.04x = 173,032,521,070,285.62
  5. Step 5: Solve for x
    x = 173,032,521,070,285.62/15,211,925.04
  6. Step 6: Final answer
    x = 11,374,794.49

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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.