Home / 38,998,974.02-53,817,922.40-21,594,945.47

Finding the Fourth Proportional to 38,998,974.02, 53,817,922.40 and 21,594,945.47

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Solution

The fourth proportional to 38,998,974.02, 53,817,922.40 and 21,594,945.47 is: 29,800,658.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,998,974.02 : 53,817,922.40 = 21,594,945.47 : x
  2. Step 2: Convert to fraction form
    38,998,974.02/53,817,922.40 = 21,594,945.47/x
  3. Step 3: Cross multiply
    38,998,974.02x = 53,817,922.40 × 21,594,945.47
  4. Step 4: Simplify right side
    38,998,974.02x = 1,162,195,099,159,627.25
  5. Step 5: Solve for x
    x = 1,162,195,099,159,627.25/38,998,974.02
  6. Step 6: Final answer
    x = 29,800,658.31

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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.