Home / 20,736,052.40-31,104,078.60-19,098,426.80

Finding the Fourth Proportional to 20,736,052.40, 31,104,078.60 and 19,098,426.80

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Solution

The fourth proportional to 20,736,052.40, 31,104,078.60 and 19,098,426.80 is: 28,647,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,052.40 : 31,104,078.60 = 19,098,426.80 : x
  2. Step 2: Convert to fraction form
    20,736,052.40/31,104,078.60 = 19,098,426.80/x
  3. Step 3: Cross multiply
    20,736,052.40x = 31,104,078.60 × 19,098,426.80
  4. Step 4: Simplify right side
    20,736,052.40x = 594,038,968,323,546.50
  5. Step 5: Solve for x
    x = 594,038,968,323,546.50/20,736,052.40
  6. Step 6: Final answer
    x = 28,647,640.20

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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.