Home / 13,877,690.91-20,732,194.32-8,980,098.72

Finding the Fourth Proportional to 13,877,690.91, 20,732,194.32 and 8,980,098.72

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Solution

The fourth proportional to 13,877,690.91, 20,732,194.32 and 8,980,098.72 is: 13,415,571.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877,690.91 : 20,732,194.32 = 8,980,098.72 : x
  2. Step 2: Convert to fraction form
    13,877,690.91/20,732,194.32 = 8,980,098.72/x
  3. Step 3: Cross multiply
    13,877,690.91x = 20,732,194.32 × 8,980,098.72
  4. Step 4: Simplify right side
    13,877,690.91x = 186,177,151,675,823.28
  5. Step 5: Solve for x
    x = 186,177,151,675,823.28/13,877,690.91
  6. Step 6: Final answer
    x = 13,415,571.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.