Home / 15,300,054.62-21,114,453.77-8,331,114.14

Finding the Fourth Proportional to 15,300,054.62, 21,114,453.77 and 8,331,114.14

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Solution

The fourth proportional to 15,300,054.62, 21,114,453.77 and 8,331,114.14 is: 11,497,143.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,300,054.62 : 21,114,453.77 = 8,331,114.14 : x
  2. Step 2: Convert to fraction form
    15,300,054.62/21,114,453.77 = 8,331,114.14/x
  3. Step 3: Cross multiply
    15,300,054.62x = 21,114,453.77 × 8,331,114.14
  4. Step 4: Simplify right side
    15,300,054.62x = 175,906,924,361,623.31
  5. Step 5: Solve for x
    x = 175,906,924,361,623.31/15,300,054.62
  6. Step 6: Final answer
    x = 11,497,143.55

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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.