Home / 18,430,908.76-25,434,664.91-10,282,146.76

Finding the Fourth Proportional to 18,430,908.76, 25,434,664.91 and 10,282,146.76

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Solution

The fourth proportional to 18,430,908.76, 25,434,664.91 and 10,282,146.76 is: 14,189,368.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430,908.76 : 25,434,664.91 = 10,282,146.76 : x
  2. Step 2: Convert to fraction form
    18,430,908.76/25,434,664.91 = 10,282,146.76/x
  3. Step 3: Cross multiply
    18,430,908.76x = 25,434,664.91 × 10,282,146.76
  4. Step 4: Simplify right side
    18,430,908.76x = 261,522,957,396,042.19
  5. Step 5: Solve for x
    x = 261,522,957,396,042.19/18,430,908.76
  6. Step 6: Final answer
    x = 14,189,368.57

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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.