Home / 14,279,019.20-19,704,931.20-7,752,519.20

Finding the Fourth Proportional to 14,279,019.20, 19,704,931.20 and 7,752,519.20

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Solution

The fourth proportional to 14,279,019.20, 19,704,931.20 and 7,752,519.20 is: 10,698,413.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279,019.20 : 19,704,931.20 = 7,752,519.20 : x
  2. Step 2: Convert to fraction form
    14,279,019.20/19,704,931.20 = 7,752,519.20/x
  3. Step 3: Cross multiply
    14,279,019.20x = 19,704,931.20 × 7,752,519.20
  4. Step 4: Simplify right side
    14,279,019.20x = 152,762,857,462,679.03
  5. Step 5: Solve for x
    x = 152,762,857,462,679.03/14,279,019.20
  6. Step 6: Final answer
    x = 10,698,413.90

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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.