Home / 15,036,346.44-20,750,178.60-8,160,828.60

Finding the Fourth Proportional to 15,036,346.44, 20,750,178.60 and 8,160,828.60

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Solution

The fourth proportional to 15,036,346.44, 20,750,178.60 and 8,160,828.60 is: 11,261,954.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036,346.44 : 20,750,178.60 = 8,160,828.60 : x
  2. Step 2: Convert to fraction form
    15,036,346.44/20,750,178.60 = 8,160,828.60/x
  3. Step 3: Cross multiply
    15,036,346.44x = 20,750,178.60 × 8,160,828.60
  4. Step 4: Simplify right side
    15,036,346.44x = 169,338,650,973,987.97
  5. Step 5: Solve for x
    x = 169,338,650,973,987.97/15,036,346.44
  6. Step 6: Final answer
    x = 11,261,954.60

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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.