Home / 39,929,562.30-55,102,833-21,594,847.80

Finding the Fourth Proportional to 39,929,562.30, 55,102,833 and 21,594,847.80

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Solution

The fourth proportional to 39,929,562.30, 55,102,833 and 21,594,847.80 is: 29,800,909.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,929,562.30 : 55,102,833 = 21,594,847.80 : x
  2. Step 2: Convert to fraction form
    39,929,562.30/55,102,833 = 21,594,847.80/x
  3. Step 3: Cross multiply
    39,929,562.30x = 55,102,833 × 21,594,847.80
  4. Step 4: Simplify right side
    39,929,562.30x = 1,189,937,291,983,817.50
  5. Step 5: Solve for x
    x = 1,189,937,291,983,817.50/39,929,562.30
  6. Step 6: Final answer
    x = 29,800,909.99

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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.