Home / 15,181,918.61-20,929,256.78-10,823,438.12

Finding the Fourth Proportional to 15,181,918.61, 20,929,256.78 and 10,823,438.12

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Solution

The fourth proportional to 15,181,918.61, 20,929,256.78 and 10,823,438.12 is: 14,920,809.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,181,918.61 : 20,929,256.78 = 10,823,438.12 : x
  2. Step 2: Convert to fraction form
    15,181,918.61/20,929,256.78 = 10,823,438.12/x
  3. Step 3: Cross multiply
    15,181,918.61x = 20,929,256.78 × 10,823,438.12
  4. Step 4: Simplify right side
    15,181,918.61x = 226,526,515,497,156.97
  5. Step 5: Solve for x
    x = 226,526,515,497,156.97/15,181,918.61
  6. Step 6: Final answer
    x = 14,920,809.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.