Home / 28,691,360.31-39,594,102.75-15,638,357.73

Finding the Fourth Proportional to 28,691,360.31, 39,594,102.75 and 15,638,357.73

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Solution

The fourth proportional to 28,691,360.31, 39,594,102.75 and 15,638,357.73 is: 21,580,947.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,691,360.31 : 39,594,102.75 = 15,638,357.73 : x
  2. Step 2: Convert to fraction form
    28,691,360.31/39,594,102.75 = 15,638,357.73/x
  3. Step 3: Cross multiply
    28,691,360.31x = 39,594,102.75 × 15,638,357.73
  4. Step 4: Simplify right side
    28,691,360.31x = 619,186,742,802,876.75
  5. Step 5: Solve for x
    x = 619,186,742,802,876.75/28,691,360.31
  6. Step 6: Final answer
    x = 21,580,947.58

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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.