Home / 30,340,439.92-45,504,722.20-25,255,533.72

Finding the Fourth Proportional to 30,340,439.92, 45,504,722.20 and 25,255,533.72

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Solution

The fourth proportional to 30,340,439.92, 45,504,722.20 and 25,255,533.72 is: 37,878,358.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,340,439.92 : 45,504,722.20 = 25,255,533.72 : x
  2. Step 2: Convert to fraction form
    30,340,439.92/45,504,722.20 = 25,255,533.72/x
  3. Step 3: Cross multiply
    30,340,439.92x = 45,504,722.20 × 25,255,533.72
  4. Step 4: Simplify right side
    30,340,439.92x = 1,149,246,045,941,332.50
  5. Step 5: Solve for x
    x = 1,149,246,045,941,332.50/30,340,439.92
  6. Step 6: Final answer
    x = 37,878,358.03

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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.