Home / 10,022,173.72-15,028,361.68-6,990,991.72

Finding the Fourth Proportional to 10,022,173.72, 15,028,361.68 and 6,990,991.72

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Solution

The fourth proportional to 10,022,173.72, 15,028,361.68 and 6,990,991.72 is: 10,483,070.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,022,173.72 : 15,028,361.68 = 6,990,991.72 : x
  2. Step 2: Convert to fraction form
    10,022,173.72/15,028,361.68 = 6,990,991.72/x
  3. Step 3: Cross multiply
    10,022,173.72x = 15,028,361.68 × 6,990,991.72
  4. Step 4: Simplify right side
    10,022,173.72x = 105,063,152,070,045.28
  5. Step 5: Solve for x
    x = 105,063,152,070,045.28/10,022,173.72
  6. Step 6: Final answer
    x = 10,483,070.34

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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.