Home / 8,266,118.80-12,377,059.80-5,258,016.40

Finding the Fourth Proportional to 8,266,118.80, 12,377,059.80 and 5,258,016.40

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Solution

The fourth proportional to 8,266,118.80, 12,377,059.80 and 5,258,016.40 is: 7,872,955.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266,118.80 : 12,377,059.80 = 5,258,016.40 : x
  2. Step 2: Convert to fraction form
    8,266,118.80/12,377,059.80 = 5,258,016.40/x
  3. Step 3: Cross multiply
    8,266,118.80x = 12,377,059.80 × 5,258,016.40
  4. Step 4: Simplify right side
    8,266,118.80x = 65,078,783,412,180.73
  5. Step 5: Solve for x
    x = 65,078,783,412,180.73/8,266,118.80
  6. Step 6: Final answer
    x = 7,872,955.25

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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.