Home / 18,477,809.86-25,499,542.71-10,218,427.78

Finding the Fourth Proportional to 18,477,809.86, 25,499,542.71 and 10,218,427.78

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Solution

The fourth proportional to 18,477,809.86, 25,499,542.71 and 10,218,427.78 is: 14,101,521.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477,809.86 : 25,499,542.71 = 10,218,427.78 : x
  2. Step 2: Convert to fraction form
    18,477,809.86/25,499,542.71 = 10,218,427.78/x
  3. Step 3: Cross multiply
    18,477,809.86x = 25,499,542.71 × 10,218,427.78
  4. Step 4: Simplify right side
    18,477,809.86x = 260,565,235,477,662.78
  5. Step 5: Solve for x
    x = 260,565,235,477,662.78/18,477,809.86
  6. Step 6: Final answer
    x = 14,101,521.64

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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.