Home / 30,178,527.10-45,279,600.45-11,011,221.70

Finding the Fourth Proportional to 30,178,527.10, 45,279,600.45 and 11,011,221.70

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Solution

The fourth proportional to 30,178,527.10, 45,279,600.45 and 11,011,221.70 is: 16,521,141.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,178,527.10 : 45,279,600.45 = 11,011,221.70 : x
  2. Step 2: Convert to fraction form
    30,178,527.10/45,279,600.45 = 11,011,221.70/x
  3. Step 3: Cross multiply
    30,178,527.10x = 45,279,600.45 × 11,011,221.70
  4. Step 4: Simplify right side
    30,178,527.10x = 498,583,719,042,369.75
  5. Step 5: Solve for x
    x = 498,583,719,042,369.75/30,178,527.10
  6. Step 6: Final answer
    x = 16,521,141.58

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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.