Home / 18,820,246.20-28,230,369.30-18,442,332.60

Finding the Fourth Proportional to 18,820,246.20, 28,230,369.30 and 18,442,332.60

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Solution

The fourth proportional to 18,820,246.20, 28,230,369.30 and 18,442,332.60 is: 27,663,498.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,820,246.20 : 28,230,369.30 = 18,442,332.60 : x
  2. Step 2: Convert to fraction form
    18,820,246.20/28,230,369.30 = 18,442,332.60/x
  3. Step 3: Cross multiply
    18,820,246.20x = 28,230,369.30 × 18,442,332.60
  4. Step 4: Simplify right side
    18,820,246.20x = 520,633,860,051,429.25
  5. Step 5: Solve for x
    x = 520,633,860,051,429.25/18,820,246.20
  6. Step 6: Final answer
    x = 27,663,498.90

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1.5x scale

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.