Home / 18,263,138.46-25,196,118.98-10,423,086.32

Finding the Fourth Proportional to 18,263,138.46, 25,196,118.98 and 10,423,086.32

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Solution

The fourth proportional to 18,263,138.46, 25,196,118.98 and 10,423,086.32 is: 14,379,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,263,138.46 : 25,196,118.98 = 10,423,086.32 : x
  2. Step 2: Convert to fraction form
    18,263,138.46/25,196,118.98 = 10,423,086.32/x
  3. Step 3: Cross multiply
    18,263,138.46x = 25,196,118.98 × 10,423,086.32
  4. Step 4: Simplify right side
    18,263,138.46x = 262,621,323,057,530.38
  5. Step 5: Solve for x
    x = 262,621,323,057,530.38/18,263,138.46
  6. Step 6: Final answer
    x = 14,379,857.20

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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.