Home / 15,342,362.44-21,172,438.74-8,466,843.40

Finding the Fourth Proportional to 15,342,362.44, 21,172,438.74 and 8,466,843.40

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Solution

The fourth proportional to 15,342,362.44, 21,172,438.74 and 8,466,843.40 is: 11,684,232.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,342,362.44 : 21,172,438.74 = 8,466,843.40 : x
  2. Step 2: Convert to fraction form
    15,342,362.44/21,172,438.74 = 8,466,843.40/x
  3. Step 3: Cross multiply
    15,342,362.44x = 21,172,438.74 × 8,466,843.40
  4. Step 4: Simplify right side
    15,342,362.44x = 179,263,723,207,673.31
  5. Step 5: Solve for x
    x = 179,263,723,207,673.31/15,342,362.44
  6. Step 6: Final answer
    x = 11,684,232.07

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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.