Home / 20,158,815.60-30,238,223.40-19,822,892.40

Finding the Fourth Proportional to 20,158,815.60, 30,238,223.40 and 19,822,892.40

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Solution

The fourth proportional to 20,158,815.60, 30,238,223.40 and 19,822,892.40 is: 29,734,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,158,815.60 : 30,238,223.40 = 19,822,892.40 : x
  2. Step 2: Convert to fraction form
    20,158,815.60/30,238,223.40 = 19,822,892.40/x
  3. Step 3: Cross multiply
    20,158,815.60x = 30,238,223.40 × 19,822,892.40
  4. Step 4: Simplify right side
    20,158,815.60x = 599,409,048,825,362.12
  5. Step 5: Solve for x
    x = 599,409,048,825,362.12/20,158,815.60
  6. Step 6: Final answer
    x = 29,734,338.60

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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.