Home / 19,477,816.20-29,216,724.30-9,378,001.80

Finding the Fourth Proportional to 19,477,816.20, 29,216,724.30 and 9,378,001.80

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Solution

The fourth proportional to 19,477,816.20, 29,216,724.30 and 9,378,001.80 is: 14,067,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,477,816.20 : 29,216,724.30 = 9,378,001.80 : x
  2. Step 2: Convert to fraction form
    19,477,816.20/29,216,724.30 = 9,378,001.80/x
  3. Step 3: Cross multiply
    19,477,816.20x = 29,216,724.30 × 9,378,001.80
  4. Step 4: Simplify right side
    19,477,816.20x = 273,994,493,075,503.78
  5. Step 5: Solve for x
    x = 273,994,493,075,503.78/19,477,816.20
  6. Step 6: Final answer
    x = 14,067,002.70

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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.