Home / 15,149,096.64-20,905,886.88-8,623,146.24

Finding the Fourth Proportional to 15,149,096.64, 20,905,886.88 and 8,623,146.24

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Solution

The fourth proportional to 15,149,096.64, 20,905,886.88 and 8,623,146.24 is: 11,900,017.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,149,096.64 : 20,905,886.88 = 8,623,146.24 : x
  2. Step 2: Convert to fraction form
    15,149,096.64/20,905,886.88 = 8,623,146.24/x
  3. Step 3: Cross multiply
    15,149,096.64x = 20,905,886.88 × 8,623,146.24
  4. Step 4: Simplify right side
    15,149,096.64x = 180,274,519,843,137.31
  5. Step 5: Solve for x
    x = 180,274,519,843,137.31/15,149,096.64
  6. Step 6: Final answer
    x = 11,900,017.81

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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.