Home / 12,476,952.20-18,714,045.90-10,229,169.80

Finding the Fourth Proportional to 12,476,952.20, 18,714,045.90 and 10,229,169.80

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Solution

The fourth proportional to 12,476,952.20, 18,714,045.90 and 10,229,169.80 is: 15,342,621.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476,952.20 : 18,714,045.90 = 10,229,169.80 : x
  2. Step 2: Convert to fraction form
    12,476,952.20/18,714,045.90 = 10,229,169.80/x
  3. Step 3: Cross multiply
    12,476,952.20x = 18,714,045.90 × 10,229,169.80
  4. Step 4: Simplify right side
    12,476,952.20x = 191,429,153,156,093.81
  5. Step 5: Solve for x
    x = 191,429,153,156,093.81/12,476,952.20
  6. Step 6: Final answer
    x = 15,342,621.35

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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.