Home / 18,269,651.85-25,208,915.16-10,425,582.69

Finding the Fourth Proportional to 18,269,651.85, 25,208,915.16 and 10,425,582.69

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Solution

The fourth proportional to 18,269,651.85, 25,208,915.16 and 10,425,582.69 is: 14,385,475.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269,651.85 : 25,208,915.16 = 10,425,582.69 : x
  2. Step 2: Convert to fraction form
    18,269,651.85/25,208,915.16 = 10,425,582.69/x
  3. Step 3: Cross multiply
    18,269,651.85x = 25,208,915.16 × 10,425,582.69
  4. Step 4: Simplify right side
    18,269,651.85x = 262,817,629,536,669
  5. Step 5: Solve for x
    x = 262,817,629,536,669/18,269,651.85
  6. Step 6: Final answer
    x = 14,385,475.52

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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.