Home / 7,473,107.20-11,209,660.80-7,402,248.40

Finding the Fourth Proportional to 7,473,107.20, 11,209,660.80 and 7,402,248.40

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Solution

The fourth proportional to 7,473,107.20, 11,209,660.80 and 7,402,248.40 is: 11,103,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,473,107.20 : 11,209,660.80 = 7,402,248.40 : x
  2. Step 2: Convert to fraction form
    7,473,107.20/11,209,660.80 = 7,402,248.40/x
  3. Step 3: Cross multiply
    7,473,107.20x = 11,209,660.80 × 7,402,248.40
  4. Step 4: Simplify right side
    7,473,107.20x = 82,976,693,721,342.73
  5. Step 5: Solve for x
    x = 82,976,693,721,342.73/7,473,107.20
  6. Step 6: Final answer
    x = 11,103,372.60

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Double scale
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Similar ratio
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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.