Home / 14,336,005.20-21,504,007.80-5,359,390.80

Finding the Fourth Proportional to 14,336,005.20, 21,504,007.80 and 5,359,390.80

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Solution

The fourth proportional to 14,336,005.20, 21,504,007.80 and 5,359,390.80 is: 8,039,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,336,005.20 : 21,504,007.80 = 5,359,390.80 : x
  2. Step 2: Convert to fraction form
    14,336,005.20/21,504,007.80 = 5,359,390.80/x
  3. Step 3: Cross multiply
    14,336,005.20x = 21,504,007.80 × 5,359,390.80
  4. Step 4: Simplify right side
    14,336,005.20x = 115,248,381,566,448.23
  5. Step 5: Solve for x
    x = 115,248,381,566,448.23/14,336,005.20
  6. Step 6: Final answer
    x = 8,039,086.20

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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.