Home / 18,521,417.85-27,783,176.54-5,743,739.13

Finding the Fourth Proportional to 18,521,417.85, 27,783,176.54 and 5,743,739.13

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Solution

The fourth proportional to 18,521,417.85, 27,783,176.54 and 5,743,739.13 is: 8,615,934.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521,417.85 : 27,783,176.54 = 5,743,739.13 : x
  2. Step 2: Convert to fraction form
    18,521,417.85/27,783,176.54 = 5,743,739.13/x
  3. Step 3: Cross multiply
    18,521,417.85x = 27,783,176.54 × 5,743,739.13
  4. Step 4: Simplify right side
    18,521,417.85x = 159,579,318,219,777.31
  5. Step 5: Solve for x
    x = 159,579,318,219,777.31/18,521,417.85
  6. Step 6: Final answer
    x = 8,615,934.24

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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.