Home / 15,367,485.62-21,207,557.95-8,492,410.55

Finding the Fourth Proportional to 15,367,485.62, 21,207,557.95 and 8,492,410.55

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Solution

The fourth proportional to 15,367,485.62, 21,207,557.95 and 8,492,410.55 is: 11,719,762.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,367,485.62 : 21,207,557.95 = 8,492,410.55 : x
  2. Step 2: Convert to fraction form
    15,367,485.62/21,207,557.95 = 8,492,410.55/x
  3. Step 3: Cross multiply
    15,367,485.62x = 21,207,557.95 × 8,492,410.55
  4. Step 4: Simplify right side
    15,367,485.62x = 180,103,288,906,104.25
  5. Step 5: Solve for x
    x = 180,103,288,906,104.25/15,367,485.62
  6. Step 6: Final answer
    x = 11,719,762.97

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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.