Home / 13,405,596.23-18,499,178.03-7,604,253.45

Finding the Fourth Proportional to 13,405,596.23, 18,499,178.03 and 7,604,253.45

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Solution

The fourth proportional to 13,405,596.23, 18,499,178.03 and 7,604,253.45 is: 10,493,560.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,405,596.23 : 18,499,178.03 = 7,604,253.45 : x
  2. Step 2: Convert to fraction form
    13,405,596.23/18,499,178.03 = 7,604,253.45/x
  3. Step 3: Cross multiply
    13,405,596.23x = 18,499,178.03 × 7,604,253.45
  4. Step 4: Simplify right side
    13,405,596.23x = 140,672,438,318,770.42
  5. Step 5: Solve for x
    x = 140,672,438,318,770.42/13,405,596.23
  6. Step 6: Final answer
    x = 10,493,560.75

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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.