Home / 19,187,434.40-28,743,826.80-11,591,837.60

Finding the Fourth Proportional to 19,187,434.40, 28,743,826.80 and 11,591,837.60

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Solution

The fourth proportional to 19,187,434.40, 28,743,826.80 and 11,591,837.60 is: 17,365,207.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,187,434.40 : 28,743,826.80 = 11,591,837.60 : x
  2. Step 2: Convert to fraction form
    19,187,434.40/28,743,826.80 = 11,591,837.60/x
  3. Step 3: Cross multiply
    19,187,434.40x = 28,743,826.80 × 11,591,837.60
  4. Step 4: Simplify right side
    19,187,434.40x = 333,193,772,268,127.69
  5. Step 5: Solve for x
    x = 333,193,772,268,127.69/19,187,434.40
  6. Step 6: Final answer
    x = 17,365,207.11

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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.