Home / 18,451,409.06-25,462,792.50-10,078,785.74

Finding the Fourth Proportional to 18,451,409.06, 25,462,792.50 and 10,078,785.74

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Solution

The fourth proportional to 18,451,409.06, 25,462,792.50 and 10,078,785.74 is: 13,908,641.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451,409.06 : 25,462,792.50 = 10,078,785.74 : x
  2. Step 2: Convert to fraction form
    18,451,409.06/25,462,792.50 = 10,078,785.74/x
  3. Step 3: Cross multiply
    18,451,409.06x = 25,462,792.50 × 10,078,785.74
  4. Step 4: Simplify right side
    18,451,409.06x = 256,634,029,949,578.97
  5. Step 5: Solve for x
    x = 256,634,029,949,578.97/18,451,409.06
  6. Step 6: Final answer
    x = 13,908,641.29

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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.