Home / 28,022,774.42-38,666,639.48-16,259,346.06

Finding the Fourth Proportional to 28,022,774.42, 38,666,639.48 and 16,259,346.06

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Solution

The fourth proportional to 28,022,774.42, 38,666,639.48 and 16,259,346.06 is: 22,435,118.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,022,774.42 : 38,666,639.48 = 16,259,346.06 : x
  2. Step 2: Convert to fraction form
    28,022,774.42/38,666,639.48 = 16,259,346.06/x
  3. Step 3: Cross multiply
    28,022,774.42x = 38,666,639.48 × 16,259,346.06
  4. Step 4: Simplify right side
    28,022,774.42x = 628,694,272,056,281.88
  5. Step 5: Solve for x
    x = 628,694,272,056,281.88/28,022,774.42
  6. Step 6: Final answer
    x = 22,435,118.76

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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.