Home / 14,654,529.50-20,225,672.10-8,130,260.90

Finding the Fourth Proportional to 14,654,529.50, 20,225,672.10 and 8,130,260.90

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Solution

The fourth proportional to 14,654,529.50, 20,225,672.10 and 8,130,260.90 is: 11,221,103.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,654,529.50 : 20,225,672.10 = 8,130,260.90 : x
  2. Step 2: Convert to fraction form
    14,654,529.50/20,225,672.10 = 8,130,260.90/x
  3. Step 3: Cross multiply
    14,654,529.50x = 20,225,672.10 × 8,130,260.90
  4. Step 4: Simplify right side
    14,654,529.50x = 164,439,990,949,722.53
  5. Step 5: Solve for x
    x = 164,439,990,949,722.53/14,654,529.50
  6. Step 6: Final answer
    x = 11,221,103.41

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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.