Home / 18,738,097.20-28,107,145.80-14,481,320.40

Finding the Fourth Proportional to 18,738,097.20, 28,107,145.80 and 14,481,320.40

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Solution

The fourth proportional to 18,738,097.20, 28,107,145.80 and 14,481,320.40 is: 21,721,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738,097.20 : 28,107,145.80 = 14,481,320.40 : x
  2. Step 2: Convert to fraction form
    18,738,097.20/28,107,145.80 = 14,481,320.40/x
  3. Step 3: Cross multiply
    18,738,097.20x = 28,107,145.80 × 14,481,320.40
  4. Step 4: Simplify right side
    18,738,097.20x = 407,028,583,859,314.31
  5. Step 5: Solve for x
    x = 407,028,583,859,314.31/18,738,097.20
  6. Step 6: Final answer
    x = 21,721,980.60

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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.