Home / 12,282,459.60-16,956,719.56-8,517,320.40

Finding the Fourth Proportional to 12,282,459.60, 16,956,719.56 and 8,517,320.40

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Solution

The fourth proportional to 12,282,459.60, 16,956,719.56 and 8,517,320.40 is: 11,758,704.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282,459.60 : 16,956,719.56 = 8,517,320.40 : x
  2. Step 2: Convert to fraction form
    12,282,459.60/16,956,719.56 = 8,517,320.40/x
  3. Step 3: Cross multiply
    12,282,459.60x = 16,956,719.56 × 8,517,320.40
  4. Step 4: Simplify right side
    12,282,459.60x = 144,425,813,425,467.03
  5. Step 5: Solve for x
    x = 144,425,813,425,467.03/12,282,459.60
  6. Step 6: Final answer
    x = 11,758,704.54

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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.