Home / 15,838,728.44-21,857,442.89-8,595,384.44

Finding the Fourth Proportional to 15,838,728.44, 21,857,442.89 and 8,595,384.44

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Solution

The fourth proportional to 15,838,728.44, 21,857,442.89 and 8,595,384.44 is: 11,861,629.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,838,728.44 : 21,857,442.89 = 8,595,384.44 : x
  2. Step 2: Convert to fraction form
    15,838,728.44/21,857,442.89 = 8,595,384.44/x
  3. Step 3: Cross multiply
    15,838,728.44x = 21,857,442.89 × 8,595,384.44
  4. Step 4: Simplify right side
    15,838,728.44x = 187,873,124,362,630.53
  5. Step 5: Solve for x
    x = 187,873,124,362,630.53/15,838,728.44
  6. Step 6: Final answer
    x = 11,861,629.24

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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.