Home / 18,468,140.70-25,485,589.26-10,095,138.30

Finding the Fourth Proportional to 18,468,140.70, 25,485,589.26 and 10,095,138.30

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Solution

The fourth proportional to 18,468,140.70, 25,485,589.26 and 10,095,138.30 is: 13,931,047.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468,140.70 : 25,485,589.26 = 10,095,138.30 : x
  2. Step 2: Convert to fraction form
    18,468,140.70/25,485,589.26 = 10,095,138.30/x
  3. Step 3: Cross multiply
    18,468,140.70x = 25,485,589.26 × 10,095,138.30
  4. Step 4: Simplify right side
    18,468,140.70x = 257,280,548,236,694.69
  5. Step 5: Solve for x
    x = 257,280,548,236,694.69/18,468,140.70
  6. Step 6: Final answer
    x = 13,931,047.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.