Home / 15,387,270.23-21,232,582.94-8,863,021.55

Finding the Fourth Proportional to 15,387,270.23, 21,232,582.94 and 8,863,021.55

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Solution

The fourth proportional to 15,387,270.23, 21,232,582.94 and 8,863,021.55 is: 12,229,904.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,387,270.23 : 21,232,582.94 = 8,863,021.55 : x
  2. Step 2: Convert to fraction form
    15,387,270.23/21,232,582.94 = 8,863,021.55/x
  3. Step 3: Cross multiply
    15,387,270.23x = 21,232,582.94 × 8,863,021.55
  4. Step 4: Simplify right side
    15,387,270.23x = 188,184,840,008,904.31
  5. Step 5: Solve for x
    x = 188,184,840,008,904.31/15,387,270.23
  6. Step 6: Final answer
    x = 12,229,904.15

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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.