Home / 13,193,999.10-19,790,998.65-7,885,583.10

Finding the Fourth Proportional to 13,193,999.10, 19,790,998.65 and 7,885,583.10

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Solution

The fourth proportional to 13,193,999.10, 19,790,998.65 and 7,885,583.10 is: 11,828,374.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193,999.10 : 19,790,998.65 = 7,885,583.10 : x
  2. Step 2: Convert to fraction form
    13,193,999.10/19,790,998.65 = 7,885,583.10/x
  3. Step 3: Cross multiply
    13,193,999.10x = 19,790,998.65 × 7,885,583.10
  4. Step 4: Simplify right side
    13,193,999.10x = 156,063,564,486,562.78
  5. Step 5: Solve for x
    x = 156,063,564,486,562.78/13,193,999.10
  6. Step 6: Final answer
    x = 11,828,374.65

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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.