Home / 14,455,037.74-21,639,956.56-12,661,424.36

Finding the Fourth Proportional to 14,455,037.74, 21,639,956.56 and 12,661,424.36

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Solution

The fourth proportional to 14,455,037.74, 21,639,956.56 and 12,661,424.36 is: 18,954,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,455,037.74 : 21,639,956.56 = 12,661,424.36 : x
  2. Step 2: Convert to fraction form
    14,455,037.74/21,639,956.56 = 12,661,424.36/x
  3. Step 3: Cross multiply
    14,455,037.74x = 21,639,956.56 × 12,661,424.36
  4. Step 4: Simplify right side
    14,455,037.74x = 273,992,673,138,125.78
  5. Step 5: Solve for x
    x = 273,992,673,138,125.78/14,455,037.74
  6. Step 6: Final answer
    x = 18,954,822.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.