Home / 13,621,841.00-20,444,566.90-7,149,488.21

Finding the Fourth Proportional to 13,621,841.00, 20,444,566.90 and 7,149,488.21

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Solution

The fourth proportional to 13,621,841.00, 20,444,566.90 and 7,149,488.21 is: 10,730,428.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,621,841.00 : 20,444,566.90 = 7,149,488.21 : x
  2. Step 2: Convert to fraction form
    13,621,841.00/20,444,566.90 = 7,149,488.21/x
  3. Step 3: Cross multiply
    13,621,841.00x = 20,444,566.90 × 7,149,488.21
  4. Step 4: Simplify right side
    13,621,841.00x = 146,168,189,890,009.69
  5. Step 5: Solve for x
    x = 146,168,189,890,009.69/13,621,841.00
  6. Step 6: Final answer
    x = 10,730,428.43

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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.