Home / 10,902,467.40-15,045,406.38-6,321,445.98

Finding the Fourth Proportional to 10,902,467.40, 15,045,406.38 and 6,321,445.98

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Solution

The fourth proportional to 10,902,467.40, 15,045,406.38 and 6,321,445.98 is: 8,723,596.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902,467.40 : 15,045,406.38 = 6,321,445.98 : x
  2. Step 2: Convert to fraction form
    10,902,467.40/15,045,406.38 = 6,321,445.98/x
  3. Step 3: Cross multiply
    10,902,467.40x = 15,045,406.38 × 6,321,445.98
  4. Step 4: Simplify right side
    10,902,467.40x = 95,108,723,678,317.36
  5. Step 5: Solve for x
    x = 95,108,723,678,317.36/10,902,467.40
  6. Step 6: Final answer
    x = 8,723,596.25

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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.