Home / 9,189,078.60-13,783,728.64-2,799,386.30

Finding the Fourth Proportional to 9,189,078.60, 13,783,728.64 and 2,799,386.30

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Solution

The fourth proportional to 9,189,078.60, 13,783,728.64 and 2,799,386.30 is: 4,199,113.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189,078.60 : 13,783,728.64 = 2,799,386.30 : x
  2. Step 2: Convert to fraction form
    9,189,078.60/13,783,728.64 = 2,799,386.30/x
  3. Step 3: Cross multiply
    9,189,078.60x = 13,783,728.64 × 2,799,386.30
  4. Step 4: Simplify right side
    9,189,078.60x = 38,585,981,117,733.63
  5. Step 5: Solve for x
    x = 38,585,981,117,733.63/9,189,078.60
  6. Step 6: Final answer
    x = 4,199,113.19

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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.