Home / 14,991,082.78-20,687,740.80-8,115,548.44

Finding the Fourth Proportional to 14,991,082.78, 20,687,740.80 and 8,115,548.44

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Solution

The fourth proportional to 14,991,082.78, 20,687,740.80 and 8,115,548.44 is: 11,199,482.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,991,082.78 : 20,687,740.80 = 8,115,548.44 : x
  2. Step 2: Convert to fraction form
    14,991,082.78/20,687,740.80 = 8,115,548.44/x
  3. Step 3: Cross multiply
    14,991,082.78x = 20,687,740.80 × 8,115,548.44
  4. Step 4: Simplify right side
    14,991,082.78x = 167,892,362,576,564.38
  5. Step 5: Solve for x
    x = 167,892,362,576,564.38/14,991,082.78
  6. Step 6: Final answer
    x = 11,199,482.05

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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.