Home / 18,434,429.70-25,439,497.08-10,285,667.70

Finding the Fourth Proportional to 18,434,429.70, 25,439,497.08 and 10,285,667.70

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Solution

The fourth proportional to 18,434,429.70, 25,439,497.08 and 10,285,667.70 is: 14,194,212.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,434,429.70 : 25,439,497.08 = 10,285,667.70 : x
  2. Step 2: Convert to fraction form
    18,434,429.70/25,439,497.08 = 10,285,667.70/x
  3. Step 3: Cross multiply
    18,434,429.70x = 25,439,497.08 × 10,285,667.70
  4. Step 4: Simplify right side
    18,434,429.70x = 261,662,213,420,000.28
  5. Step 5: Solve for x
    x = 261,662,213,420,000.28/18,434,429.70
  6. Step 6: Final answer
    x = 14,194,212.55

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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.