Home / 18,184,564.80-27,276,847.20-4,721,392.80

Finding the Fourth Proportional to 18,184,564.80, 27,276,847.20 and 4,721,392.80

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Solution

The fourth proportional to 18,184,564.80, 27,276,847.20 and 4,721,392.80 is: 7,082,089.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,184,564.80 : 27,276,847.20 = 4,721,392.80 : x
  2. Step 2: Convert to fraction form
    18,184,564.80/27,276,847.20 = 4,721,392.80/x
  3. Step 3: Cross multiply
    18,184,564.80x = 27,276,847.20 × 4,721,392.80
  4. Step 4: Simplify right side
    18,184,564.80x = 128,784,709,976,780.16
  5. Step 5: Solve for x
    x = 128,784,709,976,780.16/18,184,564.80
  6. Step 6: Final answer
    x = 7,082,089.20

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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.