Home / 13,103,999.60-19,655,999.40-8,332,840.40

Finding the Fourth Proportional to 13,103,999.60, 19,655,999.40 and 8,332,840.40

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Solution

The fourth proportional to 13,103,999.60, 19,655,999.40 and 8,332,840.40 is: 12,499,260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103,999.60 : 19,655,999.40 = 8,332,840.40 : x
  2. Step 2: Convert to fraction form
    13,103,999.60/19,655,999.40 = 8,332,840.40/x
  3. Step 3: Cross multiply
    13,103,999.60x = 19,655,999.40 × 8,332,840.40
  4. Step 4: Simplify right side
    13,103,999.60x = 163,790,305,902,695.75
  5. Step 5: Solve for x
    x = 163,790,305,902,695.75/13,103,999.60
  6. Step 6: Final answer
    x = 12,499,260.60

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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.