Home / 13,162,569.60-19,729,108.80-7,485,513.60

Finding the Fourth Proportional to 13,162,569.60, 19,729,108.80 and 7,485,513.60

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Solution

The fourth proportional to 13,162,569.60, 19,729,108.80 and 7,485,513.60 is: 11,219,884.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,162,569.60 : 19,729,108.80 = 7,485,513.60 : x
  2. Step 2: Convert to fraction form
    13,162,569.60/19,729,108.80 = 7,485,513.60/x
  3. Step 3: Cross multiply
    13,162,569.60x = 19,729,108.80 × 7,485,513.60
  4. Step 4: Simplify right side
    13,162,569.60x = 147,682,512,238,279.69
  5. Step 5: Solve for x
    x = 147,682,512,238,279.69/13,162,569.60
  6. Step 6: Final answer
    x = 11,219,884.62

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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.