Home / 10,220,833.20-15,332,781-3,302,000.72

Finding the Fourth Proportional to 10,220,833.20, 15,332,781 and 3,302,000.72

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Solution

The fourth proportional to 10,220,833.20, 15,332,781 and 3,302,000.72 is: 4,953,495.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220,833.20 : 15,332,781 = 3,302,000.72 : x
  2. Step 2: Convert to fraction form
    10,220,833.20/15,332,781 = 3,302,000.72/x
  3. Step 3: Cross multiply
    10,220,833.20x = 15,332,781 × 3,302,000.72
  4. Step 4: Simplify right side
    10,220,833.20x = 50,628,853,901,602.32
  5. Step 5: Solve for x
    x = 50,628,853,901,602.32/10,220,833.20
  6. Step 6: Final answer
    x = 4,953,495.76

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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.