Home / 18,801,117.40-28,201,676.10-12,409,874.80

Finding the Fourth Proportional to 18,801,117.40, 28,201,676.10 and 12,409,874.80

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Solution

The fourth proportional to 18,801,117.40, 28,201,676.10 and 12,409,874.80 is: 18,614,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,801,117.40 : 28,201,676.10 = 12,409,874.80 : x
  2. Step 2: Convert to fraction form
    18,801,117.40/28,201,676.10 = 12,409,874.80/x
  3. Step 3: Cross multiply
    18,801,117.40x = 28,201,676.10 × 12,409,874.80
  4. Step 4: Simplify right side
    18,801,117.40x = 349,979,269,551,152.31
  5. Step 5: Solve for x
    x = 349,979,269,551,152.31/18,801,117.40
  6. Step 6: Final answer
    x = 18,614,812.20

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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.