Home / 17,535,660-26,292,992.40-7,288,170.72

Finding the Fourth Proportional to 17,535,660, 26,292,992.40 and 7,288,170.72

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Solution

The fourth proportional to 17,535,660, 26,292,992.40 and 7,288,170.72 is: 10,927,893.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,535,660 : 26,292,992.40 = 7,288,170.72 : x
  2. Step 2: Convert to fraction form
    17,535,660/26,292,992.40 = 7,288,170.72/x
  3. Step 3: Cross multiply
    17,535,660x = 26,292,992.40 × 7,288,170.72
  4. Step 4: Simplify right side
    17,535,660x = 191,627,817,350,862.50
  5. Step 5: Solve for x
    x = 191,627,817,350,862.50/17,535,660
  6. Step 6: Final answer
    x = 10,927,893.07

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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.