Home / 15,340,401-21,168,919.62-8,463,539.88

Finding the Fourth Proportional to 15,340,401, 21,168,919.62 and 8,463,539.88

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Solution

The fourth proportional to 15,340,401, 21,168,919.62 and 8,463,539.88 is: 11,679,225.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,340,401 : 21,168,919.62 = 8,463,539.88 : x
  2. Step 2: Convert to fraction form
    15,340,401/21,168,919.62 = 8,463,539.88/x
  3. Step 3: Cross multiply
    15,340,401x = 21,168,919.62 × 8,463,539.88
  4. Step 4: Simplify right side
    15,340,401x = 179,163,995,420,384.47
  5. Step 5: Solve for x
    x = 179,163,995,420,384.47/15,340,401
  6. Step 6: Final answer
    x = 11,679,225.04

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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.