Home / 28,222,240.32-38,963,388.99-17,777,209.83

Finding the Fourth Proportional to 28,222,240.32, 38,963,388.99 and 17,777,209.83

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Solution

The fourth proportional to 28,222,240.32, 38,963,388.99 and 17,777,209.83 is: 24,543,067.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,222,240.32 : 38,963,388.99 = 17,777,209.83 : x
  2. Step 2: Convert to fraction form
    28,222,240.32/38,963,388.99 = 17,777,209.83/x
  3. Step 3: Cross multiply
    28,222,240.32x = 38,963,388.99 × 17,777,209.83
  4. Step 4: Simplify right side
    28,222,240.32x = 692,660,341,683,693.62
  5. Step 5: Solve for x
    x = 692,660,341,683,693.62/28,222,240.32
  6. Step 6: Final answer
    x = 24,543,067.23

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1.5x scale

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.