Home / 18,269,653.85-25,208,917.91-10,425,584.69

Finding the Fourth Proportional to 18,269,653.85, 25,208,917.91 and 10,425,584.69

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Solution

The fourth proportional to 18,269,653.85, 25,208,917.91 and 10,425,584.69 is: 14,385,478.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269,653.85 : 25,208,917.91 = 10,425,584.69 : x
  2. Step 2: Convert to fraction form
    18,269,653.85/25,208,917.91 = 10,425,584.69/x
  3. Step 3: Cross multiply
    18,269,653.85x = 25,208,917.91 × 10,425,584.69
  4. Step 4: Simplify right side
    18,269,653.85x = 262,817,708,613,962.78
  5. Step 5: Solve for x
    x = 262,817,708,613,962.78/18,269,653.85
  6. Step 6: Final answer
    x = 14,385,478.28

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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.