Home / 10,136,705.22-13,985,147.58-7,686,764.10

Finding the Fourth Proportional to 10,136,705.22, 13,985,147.58 and 7,686,764.10

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Solution

The fourth proportional to 10,136,705.22, 13,985,147.58 and 7,686,764.10 is: 10,605,076.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136,705.22 : 13,985,147.58 = 7,686,764.10 : x
  2. Step 2: Convert to fraction form
    10,136,705.22/13,985,147.58 = 7,686,764.10/x
  3. Step 3: Cross multiply
    10,136,705.22x = 13,985,147.58 × 7,686,764.10
  4. Step 4: Simplify right side
    10,136,705.22x = 107,500,530,351,145.88
  5. Step 5: Solve for x
    x = 107,500,530,351,145.88/10,136,705.22
  6. Step 6: Final answer
    x = 10,605,076.11

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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.