Home / 12,906,190.08-19,371,248.01-6,520,930.11

Finding the Fourth Proportional to 12,906,190.08, 19,371,248.01 and 6,520,930.11

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Solution

The fourth proportional to 12,906,190.08, 19,371,248.01 and 6,520,930.11 is: 9,787,439.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,906,190.08 : 19,371,248.01 = 6,520,930.11 : x
  2. Step 2: Convert to fraction form
    12,906,190.08/19,371,248.01 = 6,520,930.11/x
  3. Step 3: Cross multiply
    12,906,190.08x = 19,371,248.01 × 6,520,930.11
  4. Step 4: Simplify right side
    12,906,190.08x = 126,318,554,416,686.59
  5. Step 5: Solve for x
    x = 126,318,554,416,686.59/12,906,190.08
  6. Step 6: Final answer
    x = 9,787,439.49

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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.