Home / 18,269,654.86-25,208,919.28-10,425,585.70

Finding the Fourth Proportional to 18,269,654.86, 25,208,919.28 and 10,425,585.70

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Solution

The fourth proportional to 18,269,654.86, 25,208,919.28 and 10,425,585.70 is: 14,385,479.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269,654.86 : 25,208,919.28 = 10,425,585.70 : x
  2. Step 2: Convert to fraction form
    18,269,654.86/25,208,919.28 = 10,425,585.70/x
  3. Step 3: Cross multiply
    18,269,654.86x = 25,208,919.28 × 10,425,585.70
  4. Step 4: Simplify right side
    18,269,654.86x = 262,817,748,358,022.28
  5. Step 5: Solve for x
    x = 262,817,748,358,022.28/18,269,654.86
  6. Step 6: Final answer
    x = 14,385,479.66

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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.