Home / 19,236,168.56-28,843,443.48-13,177,731.44

Finding the Fourth Proportional to 19,236,168.56, 28,843,443.48 and 13,177,731.44

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Solution

The fourth proportional to 19,236,168.56, 28,843,443.48 and 13,177,731.44 is: 19,759,192.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,236,168.56 : 28,843,443.48 = 13,177,731.44 : x
  2. Step 2: Convert to fraction form
    19,236,168.56/28,843,443.48 = 13,177,731.44/x
  3. Step 3: Cross multiply
    19,236,168.56x = 28,843,443.48 × 13,177,731.44
  4. Step 4: Simplify right side
    19,236,168.56x = 380,091,151,984,259
  5. Step 5: Solve for x
    x = 380,091,151,984,259/19,236,168.56
  6. Step 6: Final answer
    x = 19,759,192.21

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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.