Home / 39,771,304.80-59,656,990.68-19,016,859.78

Finding the Fourth Proportional to 39,771,304.80, 59,656,990.68 and 19,016,859.78

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Solution

The fourth proportional to 39,771,304.80, 59,656,990.68 and 19,016,859.78 is: 28,525,305.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,771,304.80 : 59,656,990.68 = 19,016,859.78 : x
  2. Step 2: Convert to fraction form
    39,771,304.80/59,656,990.68 = 19,016,859.78/x
  3. Step 3: Cross multiply
    39,771,304.80x = 59,656,990.68 × 19,016,859.78
  4. Step 4: Simplify right side
    39,771,304.80x = 1,134,488,626,658,327
  5. Step 5: Solve for x
    x = 1,134,488,626,658,327/39,771,304.80
  6. Step 6: Final answer
    x = 28,525,305.68

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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.