Home / 13,194,654.80-19,785,744.12-5,111,416.40

Finding the Fourth Proportional to 13,194,654.80, 19,785,744.12 and 5,111,416.40

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Solution

The fourth proportional to 13,194,654.80, 19,785,744.12 and 5,111,416.40 is: 7,664,708.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194,654.80 : 19,785,744.12 = 5,111,416.40 : x
  2. Step 2: Convert to fraction form
    13,194,654.80/19,785,744.12 = 5,111,416.40/x
  3. Step 3: Cross multiply
    13,194,654.80x = 19,785,744.12 × 5,111,416.40
  4. Step 4: Simplify right side
    13,194,654.80x = 101,133,176,981,171.58
  5. Step 5: Solve for x
    x = 101,133,176,981,171.58/13,194,654.80
  6. Step 6: Final answer
    x = 7,664,708.06

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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.