Home / 19,053,630.37-28,580,468.39-5,220,707.28

Finding the Fourth Proportional to 19,053,630.37, 28,580,468.39 and 5,220,707.28

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Solution

The fourth proportional to 19,053,630.37, 28,580,468.39 and 5,220,707.28 is: 7,831,067.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,053,630.37 : 28,580,468.39 = 5,220,707.28 : x
  2. Step 2: Convert to fraction form
    19,053,630.37/28,580,468.39 = 5,220,707.28/x
  3. Step 3: Cross multiply
    19,053,630.37x = 28,580,468.39 × 5,220,707.28
  4. Step 4: Simplify right side
    19,053,630.37x = 149,210,259,275,780.25
  5. Step 5: Solve for x
    x = 149,210,259,275,780.25/19,053,630.37
  6. Step 6: Final answer
    x = 7,831,067.17

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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.