Home / 30,020,704.46-41,448,908.85-19,017,218.78

Finding the Fourth Proportional to 30,020,704.46, 41,448,908.85 and 19,017,218.78

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Solution

The fourth proportional to 30,020,704.46, 41,448,908.85 and 19,017,218.78 is: 26,256,644.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,020,704.46 : 41,448,908.85 = 19,017,218.78 : x
  2. Step 2: Convert to fraction form
    30,020,704.46/41,448,908.85 = 19,017,218.78/x
  3. Step 3: Cross multiply
    30,020,704.46x = 41,448,908.85 × 19,017,218.78
  4. Step 4: Simplify right side
    30,020,704.46x = 788,242,967,825,035.75
  5. Step 5: Solve for x
    x = 788,242,967,825,035.75/30,020,704.46
  6. Step 6: Final answer
    x = 26,256,644.60

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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.