Home / 21,199,946.14-29,248,475.20-13,862,074.56

Finding the Fourth Proportional to 21,199,946.14, 29,248,475.20 and 13,862,074.56

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Solution

The fourth proportional to 21,199,946.14, 29,248,475.20 and 13,862,074.56 is: 19,124,791.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,199,946.14 : 29,248,475.20 = 13,862,074.56 : x
  2. Step 2: Convert to fraction form
    21,199,946.14/29,248,475.20 = 13,862,074.56/x
  3. Step 3: Cross multiply
    21,199,946.14x = 29,248,475.20 × 13,862,074.56
  4. Step 4: Simplify right side
    21,199,946.14x = 405,444,543,988,710.94
  5. Step 5: Solve for x
    x = 405,444,543,988,710.94/21,199,946.14
  6. Step 6: Final answer
    x = 19,124,791.23

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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.