Home / 20,414,730.60-30,622,095.90-13,612,285.80

Finding the Fourth Proportional to 20,414,730.60, 30,622,095.90 and 13,612,285.80

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Solution

The fourth proportional to 20,414,730.60, 30,622,095.90 and 13,612,285.80 is: 20,418,428.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,414,730.60 : 30,622,095.90 = 13,612,285.80 : x
  2. Step 2: Convert to fraction form
    20,414,730.60/30,622,095.90 = 13,612,285.80/x
  3. Step 3: Cross multiply
    20,414,730.60x = 30,622,095.90 × 13,612,285.80
  4. Step 4: Simplify right side
    20,414,730.60x = 416,836,721,185,808.25
  5. Step 5: Solve for x
    x = 416,836,721,185,808.25/20,414,730.60
  6. Step 6: Final answer
    x = 20,418,428.70

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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.