Home / 9,072,288.80-13,608,433.20-8,347,954.40

Finding the Fourth Proportional to 9,072,288.80, 13,608,433.20 and 8,347,954.40

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Solution

The fourth proportional to 9,072,288.80, 13,608,433.20 and 8,347,954.40 is: 12,521,931.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,288.80 : 13,608,433.20 = 8,347,954.40 : x
  2. Step 2: Convert to fraction form
    9,072,288.80/13,608,433.20 = 8,347,954.40/x
  3. Step 3: Cross multiply
    9,072,288.80x = 13,608,433.20 × 8,347,954.40
  4. Step 4: Simplify right side
    9,072,288.80x = 113,602,579,809,046.08
  5. Step 5: Solve for x
    x = 113,602,579,809,046.08/9,072,288.80
  6. Step 6: Final answer
    x = 12,521,931.60

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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.