Home / 30,178,536.60-45,279,614.70-11,011,231.20

Finding the Fourth Proportional to 30,178,536.60, 45,279,614.70 and 11,011,231.20

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Solution

The fourth proportional to 30,178,536.60, 45,279,614.70 and 11,011,231.20 is: 16,521,155.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,178,536.60 : 45,279,614.70 = 11,011,231.20 : x
  2. Step 2: Convert to fraction form
    30,178,536.60/45,279,614.70 = 11,011,231.20/x
  3. Step 3: Cross multiply
    30,178,536.60x = 45,279,614.70 × 11,011,231.20
  4. Step 4: Simplify right side
    30,178,536.60x = 498,584,306,108,618.62
  5. Step 5: Solve for x
    x = 498,584,306,108,618.62/30,178,536.60
  6. Step 6: Final answer
    x = 16,521,155.84

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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.