Home / 25,193,812.80-37,790,719.20-20,154,964.80

Finding the Fourth Proportional to 25,193,812.80, 37,790,719.20 and 20,154,964.80

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Solution

The fourth proportional to 25,193,812.80, 37,790,719.20 and 20,154,964.80 is: 30,232,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,193,812.80 : 37,790,719.20 = 20,154,964.80 : x
  2. Step 2: Convert to fraction form
    25,193,812.80/37,790,719.20 = 20,154,964.80/x
  3. Step 3: Cross multiply
    25,193,812.80x = 37,790,719.20 × 20,154,964.80
  4. Step 4: Simplify right side
    25,193,812.80x = 761,670,615,242,684.25
  5. Step 5: Solve for x
    x = 761,670,615,242,684.25/25,193,812.80
  6. Step 6: Final answer
    x = 30,232,447.20

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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.