Home / 18,288,830.80-27,433,246.20-9,218,904.40

Finding the Fourth Proportional to 18,288,830.80, 27,433,246.20 and 9,218,904.40

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Solution

The fourth proportional to 18,288,830.80, 27,433,246.20 and 9,218,904.40 is: 13,828,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288,830.80 : 27,433,246.20 = 9,218,904.40 : x
  2. Step 2: Convert to fraction form
    18,288,830.80/27,433,246.20 = 9,218,904.40/x
  3. Step 3: Cross multiply
    18,288,830.80x = 27,433,246.20 × 9,218,904.40
  4. Step 4: Simplify right side
    18,288,830.80x = 252,904,474,099,463.28
  5. Step 5: Solve for x
    x = 252,904,474,099,463.28/18,288,830.80
  6. Step 6: Final answer
    x = 13,828,356.60

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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.