Home / 25,120,163.20-37,680,244.80-9,161,737.60

Finding the Fourth Proportional to 25,120,163.20, 37,680,244.80 and 9,161,737.60

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Solution

The fourth proportional to 25,120,163.20, 37,680,244.80 and 9,161,737.60 is: 13,742,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,120,163.20 : 37,680,244.80 = 9,161,737.60 : x
  2. Step 2: Convert to fraction form
    25,120,163.20/37,680,244.80 = 9,161,737.60/x
  3. Step 3: Cross multiply
    25,120,163.20x = 37,680,244.80 × 9,161,737.60
  4. Step 4: Simplify right side
    25,120,163.20x = 345,216,515,561,364.44
  5. Step 5: Solve for x
    x = 345,216,515,561,364.44/25,120,163.20
  6. Step 6: Final answer
    x = 13,742,606.40

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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.