Home / 15,920,996.41-21,969,457.24-9,307,131.15

Finding the Fourth Proportional to 15,920,996.41, 21,969,457.24 and 9,307,131.15

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Solution

The fourth proportional to 15,920,996.41, 21,969,457.24 and 9,307,131.15 is: 12,842,953.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,920,996.41 : 21,969,457.24 = 9,307,131.15 : x
  2. Step 2: Convert to fraction form
    15,920,996.41/21,969,457.24 = 9,307,131.15/x
  3. Step 3: Cross multiply
    15,920,996.41x = 21,969,457.24 × 9,307,131.15
  4. Step 4: Simplify right side
    15,920,996.41x = 204,472,619,929,746.50
  5. Step 5: Solve for x
    x = 204,472,619,929,746.50/15,920,996.41
  6. Step 6: Final answer
    x = 12,842,953.71

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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.