Home / 14,011,405.80-21,024,107.10-7,950,791.40

Finding the Fourth Proportional to 14,011,405.80, 21,024,107.10 and 7,950,791.40

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Solution

The fourth proportional to 14,011,405.80, 21,024,107.10 and 7,950,791.40 is: 11,930,158.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011,405.80 : 21,024,107.10 = 7,950,791.40 : x
  2. Step 2: Convert to fraction form
    14,011,405.80/21,024,107.10 = 7,950,791.40/x
  3. Step 3: Cross multiply
    14,011,405.80x = 21,024,107.10 × 7,950,791.40
  4. Step 4: Simplify right side
    14,011,405.80x = 167,158,289,923,358.97
  5. Step 5: Solve for x
    x = 167,158,289,923,358.97/14,011,405.80
  6. Step 6: Final answer
    x = 11,930,158.35

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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.