Home / 15,110,498.59-20,849,935.03-8,494,205.74

Finding the Fourth Proportional to 15,110,498.59, 20,849,935.03 and 8,494,205.74

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Solution

The fourth proportional to 15,110,498.59, 20,849,935.03 and 8,494,205.74 is: 11,720,568.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,110,498.59 : 20,849,935.03 = 8,494,205.74 : x
  2. Step 2: Convert to fraction form
    15,110,498.59/20,849,935.03 = 8,494,205.74/x
  3. Step 3: Cross multiply
    15,110,498.59x = 20,849,935.03 × 8,494,205.74
  4. Step 4: Simplify right side
    15,110,498.59x = 177,103,637,810,453.09
  5. Step 5: Solve for x
    x = 177,103,637,810,453.09/15,110,498.59
  6. Step 6: Final answer
    x = 11,720,568.77

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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.