Home / 13,715,145-20,572,676.46-3,479,985

Finding the Fourth Proportional to 13,715,145, 20,572,676.46 and 3,479,985

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Solution

The fourth proportional to 13,715,145, 20,572,676.46 and 3,479,985 is: 5,219,967.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,715,145 : 20,572,676.46 = 3,479,985 : x
  2. Step 2: Convert to fraction form
    13,715,145/20,572,676.46 = 3,479,985/x
  3. Step 3: Cross multiply
    13,715,145x = 20,572,676.46 × 3,479,985
  4. Step 4: Simplify right side
    13,715,145x = 71,592,605,490,653.11
  5. Step 5: Solve for x
    x = 71,592,605,490,653.11/13,715,145
  6. Step 6: Final answer
    x = 5,219,967.09

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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.