Home / 21,542,089.22-29,727,941.93-12,249,660.85

Finding the Fourth Proportional to 21,542,089.22, 29,727,941.93 and 12,249,660.85

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Solution

The fourth proportional to 21,542,089.22, 29,727,941.93 and 12,249,660.85 is: 16,904,451.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,542,089.22 : 29,727,941.93 = 12,249,660.85 : x
  2. Step 2: Convert to fraction form
    21,542,089.22/29,727,941.93 = 12,249,660.85/x
  3. Step 3: Cross multiply
    21,542,089.22x = 29,727,941.93 × 12,249,660.85
  4. Step 4: Simplify right side
    21,542,089.22x = 364,157,206,321,362.50
  5. Step 5: Solve for x
    x = 364,157,206,321,362.50/21,542,089.22
  6. Step 6: Final answer
    x = 16,904,451.68

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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.