Home / 8,908,661.80-13,362,992.70-6,221,276.20

Finding the Fourth Proportional to 8,908,661.80, 13,362,992.70 and 6,221,276.20

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Solution

The fourth proportional to 8,908,661.80, 13,362,992.70 and 6,221,276.20 is: 9,331,914.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908,661.80 : 13,362,992.70 = 6,221,276.20 : x
  2. Step 2: Convert to fraction form
    8,908,661.80/13,362,992.70 = 6,221,276.20/x
  3. Step 3: Cross multiply
    8,908,661.80x = 13,362,992.70 × 6,221,276.20
  4. Step 4: Simplify right side
    8,908,661.80x = 83,134,868,445,283.73
  5. Step 5: Solve for x
    x = 83,134,868,445,283.73/8,908,661.80
  6. Step 6: Final answer
    x = 9,331,914.30

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Double scale
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Similar ratio
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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.