Home / 11,700,785.60-17,551,178.40-7,874,410.40

Finding the Fourth Proportional to 11,700,785.60, 17,551,178.40 and 7,874,410.40

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Solution

The fourth proportional to 11,700,785.60, 17,551,178.40 and 7,874,410.40 is: 11,811,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700,785.60 : 17,551,178.40 = 7,874,410.40 : x
  2. Step 2: Convert to fraction form
    11,700,785.60/17,551,178.40 = 7,874,410.40/x
  3. Step 3: Cross multiply
    11,700,785.60x = 17,551,178.40 × 7,874,410.40
  4. Step 4: Simplify right side
    11,700,785.60x = 138,205,181,725,215.36
  5. Step 5: Solve for x
    x = 138,205,181,725,215.36/11,700,785.60
  6. Step 6: Final answer
    x = 11,811,615.60

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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.