Home / 11,984,497.80-17,976,746.70-7,953,419.40

Finding the Fourth Proportional to 11,984,497.80, 17,976,746.70 and 7,953,419.40

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Solution

The fourth proportional to 11,984,497.80, 17,976,746.70 and 7,953,419.40 is: 11,930,129.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984,497.80 : 17,976,746.70 = 7,953,419.40 : x
  2. Step 2: Convert to fraction form
    11,984,497.80/17,976,746.70 = 7,953,419.40/x
  3. Step 3: Cross multiply
    11,984,497.80x = 17,976,746.70 × 7,953,419.40
  4. Step 4: Simplify right side
    11,984,497.80x = 142,976,605,952,665.97
  5. Step 5: Solve for x
    x = 142,976,605,952,665.97/11,984,497.80
  6. Step 6: Final answer
    x = 11,930,129.10

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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.