Home / 13,049,612.80-19,574,419.20-8,514,649.60

Finding the Fourth Proportional to 13,049,612.80, 19,574,419.20 and 8,514,649.60

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Solution

The fourth proportional to 13,049,612.80, 19,574,419.20 and 8,514,649.60 is: 12,771,974.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,049,612.80 : 19,574,419.20 = 8,514,649.60 : x
  2. Step 2: Convert to fraction form
    13,049,612.80/19,574,419.20 = 8,514,649.60/x
  3. Step 3: Cross multiply
    13,049,612.80x = 19,574,419.20 × 8,514,649.60
  4. Step 4: Simplify right side
    13,049,612.80x = 166,669,320,611,512.31
  5. Step 5: Solve for x
    x = 166,669,320,611,512.31/13,049,612.80
  6. Step 6: Final answer
    x = 12,771,974.40

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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.