Home / 30,347,006.60-45,508,527.88-12,147,809.56

Finding the Fourth Proportional to 30,347,006.60, 45,508,527.88 and 12,147,809.56

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Solution

The fourth proportional to 30,347,006.60, 45,508,527.88 and 12,147,809.56 is: 18,216,917.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,347,006.60 : 45,508,527.88 = 12,147,809.56 : x
  2. Step 2: Convert to fraction form
    30,347,006.60/45,508,527.88 = 12,147,809.56/x
  3. Step 3: Cross multiply
    30,347,006.60x = 45,508,527.88 × 12,147,809.56
  4. Step 4: Simplify right side
    30,347,006.60x = 552,828,929,898,049.62
  5. Step 5: Solve for x
    x = 552,828,929,898,049.62/30,347,006.60
  6. Step 6: Final answer
    x = 18,216,917.97

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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.