Home / 11,712,191.28-16,162,819.56-6,555,551.46

Finding the Fourth Proportional to 11,712,191.28, 16,162,819.56 and 6,555,551.46

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Solution

The fourth proportional to 11,712,191.28, 16,162,819.56 and 6,555,551.46 is: 9,046,658.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,712,191.28 : 16,162,819.56 = 6,555,551.46 : x
  2. Step 2: Convert to fraction form
    11,712,191.28/16,162,819.56 = 6,555,551.46/x
  3. Step 3: Cross multiply
    11,712,191.28x = 16,162,819.56 × 6,555,551.46
  4. Step 4: Simplify right side
    11,712,191.28x = 105,956,195,364,274.56
  5. Step 5: Solve for x
    x = 105,956,195,364,274.56/11,712,191.28
  6. Step 6: Final answer
    x = 9,046,658.55

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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.