Home / 13,405,564.20-18,499,133.84-7,604,221.38

Finding the Fourth Proportional to 13,405,564.20, 18,499,133.84 and 7,604,221.38

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Solution

The fourth proportional to 13,405,564.20, 18,499,133.84 and 7,604,221.38 is: 10,493,516.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,405,564.20 : 18,499,133.84 = 7,604,221.38 : x
  2. Step 2: Convert to fraction form
    13,405,564.20/18,499,133.84 = 7,604,221.38/x
  3. Step 3: Cross multiply
    13,405,564.20x = 18,499,133.84 × 7,604,221.38
  4. Step 4: Simplify right side
    13,405,564.20x = 140,671,509,057,609.50
  5. Step 5: Solve for x
    x = 140,671,509,057,609.50/13,405,564.20
  6. Step 6: Final answer
    x = 10,493,516.50

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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.