Home / 21,243,404.88-31,744,174.26-15,950,737.92

Finding the Fourth Proportional to 21,243,404.88, 31,744,174.26 and 15,950,737.92

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Solution

The fourth proportional to 21,243,404.88, 31,744,174.26 and 15,950,737.92 is: 23,835,303.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,243,404.88 : 31,744,174.26 = 15,950,737.92 : x
  2. Step 2: Convert to fraction form
    21,243,404.88/31,744,174.26 = 15,950,737.92/x
  3. Step 3: Cross multiply
    21,243,404.88x = 31,744,174.26 × 15,950,737.92
  4. Step 4: Simplify right side
    21,243,404.88x = 506,343,004,108,069.94
  5. Step 5: Solve for x
    x = 506,343,004,108,069.94/21,243,404.88
  6. Step 6: Final answer
    x = 23,835,303.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.