Home / 17,128,205.59-25,695,188.13-8,492,732.41

Finding the Fourth Proportional to 17,128,205.59, 25,695,188.13 and 8,492,732.41

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Solution

The fourth proportional to 17,128,205.59, 25,695,188.13 and 8,492,732.41 is: 12,740,526.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,128,205.59 : 25,695,188.13 = 8,492,732.41 : x
  2. Step 2: Convert to fraction form
    17,128,205.59/25,695,188.13 = 8,492,732.41/x
  3. Step 3: Cross multiply
    17,128,205.59x = 25,695,188.13 × 8,492,732.41
  4. Step 4: Simplify right side
    17,128,205.59x = 218,222,357,012,698.28
  5. Step 5: Solve for x
    x = 218,222,357,012,698.28/17,128,205.59
  6. Step 6: Final answer
    x = 12,740,526.49

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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.