Home / 31,229,097.60-43,091,012.80-19,618,438.64

Finding the Fourth Proportional to 31,229,097.60, 43,091,012.80 and 19,618,438.64

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Solution

The fourth proportional to 31,229,097.60, 43,091,012.80 and 19,618,438.64 is: 27,070,215.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,229,097.60 : 43,091,012.80 = 19,618,438.64 : x
  2. Step 2: Convert to fraction form
    31,229,097.60/43,091,012.80 = 19,618,438.64/x
  3. Step 3: Cross multiply
    31,229,097.60x = 43,091,012.80 × 19,618,438.64
  4. Step 4: Simplify right side
    31,229,097.60x = 845,378,390,552,254.50
  5. Step 5: Solve for x
    x = 845,378,390,552,254.50/31,229,097.60
  6. Step 6: Final answer
    x = 27,070,215.14

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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.