Home / 12,142,785.56-16,759,117.35-7,248,260.12

Finding the Fourth Proportional to 12,142,785.56, 16,759,117.35 and 7,248,260.12

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Solution

The fourth proportional to 12,142,785.56, 16,759,117.35 and 7,248,260.12 is: 10,003,836.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,142,785.56 : 16,759,117.35 = 7,248,260.12 : x
  2. Step 2: Convert to fraction form
    12,142,785.56/16,759,117.35 = 7,248,260.12/x
  3. Step 3: Cross multiply
    12,142,785.56x = 16,759,117.35 × 7,248,260.12
  4. Step 4: Simplify right side
    12,142,785.56x = 121,474,441,850,609.50
  5. Step 5: Solve for x
    x = 121,474,441,850,609.50/12,142,785.56
  6. Step 6: Final answer
    x = 10,003,836.54

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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.