Home / 9,258,086.40-12,991,180.80-9,258,086.40

Finding the Fourth Proportional to 9,258,086.40, 12,991,180.80 and 9,258,086.40

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Solution

The fourth proportional to 9,258,086.40, 12,991,180.80 and 9,258,086.40 is: 12,991,180.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,258,086.40 : 12,991,180.80 = 9,258,086.40 : x
  2. Step 2: Convert to fraction form
    9,258,086.40/12,991,180.80 = 9,258,086.40/x
  3. Step 3: Cross multiply
    9,258,086.40x = 12,991,180.80 × 9,258,086.40
  4. Step 4: Simplify right side
    9,258,086.40x = 120,273,474,284,421.12
  5. Step 5: Solve for x
    x = 120,273,474,284,421.12/9,258,086.40
  6. Step 6: Final answer
    x = 12,991,180.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.