Home / 20,430,035.64-28,193,667.30-11,263,006.44

Finding the Fourth Proportional to 20,430,035.64, 28,193,667.30 and 11,263,006.44

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Solution

The fourth proportional to 20,430,035.64, 28,193,667.30 and 11,263,006.44 is: 15,543,069.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,430,035.64 : 28,193,667.30 = 11,263,006.44 : x
  2. Step 2: Convert to fraction form
    20,430,035.64/28,193,667.30 = 11,263,006.44/x
  3. Step 3: Cross multiply
    20,430,035.64x = 28,193,667.30 × 11,263,006.44
  4. Step 4: Simplify right side
    20,430,035.64x = 317,545,456,367,117.38
  5. Step 5: Solve for x
    x = 317,545,456,367,117.38/20,430,035.64
  6. Step 6: Final answer
    x = 15,543,069.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.