Home / 20,231,502.90-30,347,254.35-19,895,579.70

Finding the Fourth Proportional to 20,231,502.90, 30,347,254.35 and 19,895,579.70

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Solution

The fourth proportional to 20,231,502.90, 30,347,254.35 and 19,895,579.70 is: 29,843,369.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,231,502.90 : 30,347,254.35 = 19,895,579.70 : x
  2. Step 2: Convert to fraction form
    20,231,502.90/30,347,254.35 = 19,895,579.70/x
  3. Step 3: Cross multiply
    20,231,502.90x = 30,347,254.35 × 19,895,579.70
  4. Step 4: Simplify right side
    20,231,502.90x = 603,776,217,596,596.75
  5. Step 5: Solve for x
    x = 603,776,217,596,596.75/20,231,502.90
  6. Step 6: Final answer
    x = 29,843,369.55

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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.