Home / 13,783,470.40-20,675,205.60-5,693,757.40

Finding the Fourth Proportional to 13,783,470.40, 20,675,205.60 and 5,693,757.40

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Solution

The fourth proportional to 13,783,470.40, 20,675,205.60 and 5,693,757.40 is: 8,540,636.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783,470.40 : 20,675,205.60 = 5,693,757.40 : x
  2. Step 2: Convert to fraction form
    13,783,470.40/20,675,205.60 = 5,693,757.40/x
  3. Step 3: Cross multiply
    13,783,470.40x = 20,675,205.60 × 5,693,757.40
  4. Step 4: Simplify right side
    13,783,470.40x = 117,719,604,881,521.45
  5. Step 5: Solve for x
    x = 117,719,604,881,521.45/13,783,470.40
  6. Step 6: Final answer
    x = 8,540,636.10

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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.