Home / 19,557,564.40-29,335,034.40-5,180,323.60

Finding the Fourth Proportional to 19,557,564.40, 29,335,034.40 and 5,180,323.60

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Solution

The fourth proportional to 19,557,564.40, 29,335,034.40 and 5,180,323.60 is: 7,770,137.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,557,564.40 : 29,335,034.40 = 5,180,323.60 : x
  2. Step 2: Convert to fraction form
    19,557,564.40/29,335,034.40 = 5,180,323.60/x
  3. Step 3: Cross multiply
    19,557,564.40x = 29,335,034.40 × 5,180,323.60
  4. Step 4: Simplify right side
    19,557,564.40x = 151,964,971,009,131.81
  5. Step 5: Solve for x
    x = 151,964,971,009,131.81/19,557,564.40
  6. Step 6: Final answer
    x = 7,770,137.83

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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.