Home / 14,278,959.68-21,418,447.20-8,963,908.16

Finding the Fourth Proportional to 14,278,959.68, 21,418,447.20 and 8,963,908.16

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Solution

The fourth proportional to 14,278,959.68, 21,418,447.20 and 8,963,908.16 is: 13,445,867.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278,959.68 : 21,418,447.20 = 8,963,908.16 : x
  2. Step 2: Convert to fraction form
    14,278,959.68/21,418,447.20 = 8,963,908.16/x
  3. Step 3: Cross multiply
    14,278,959.68x = 21,418,447.20 × 8,963,908.16
  4. Step 4: Simplify right side
    14,278,959.68x = 191,992,993,630,609.16
  5. Step 5: Solve for x
    x = 191,992,993,630,609.16/14,278,959.68
  6. Step 6: Final answer
    x = 13,445,867.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.