Home / 38,409,712.80-57,614,569.20-9,656,786.40

Finding the Fourth Proportional to 38,409,712.80, 57,614,569.20 and 9,656,786.40

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Solution

The fourth proportional to 38,409,712.80, 57,614,569.20 and 9,656,786.40 is: 14,485,179.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,409,712.80 : 57,614,569.20 = 9,656,786.40 : x
  2. Step 2: Convert to fraction form
    38,409,712.80/57,614,569.20 = 9,656,786.40/x
  3. Step 3: Cross multiply
    38,409,712.80x = 57,614,569.20 × 9,656,786.40
  4. Step 4: Simplify right side
    38,409,712.80x = 556,371,588,292,418.94
  5. Step 5: Solve for x
    x = 556,371,588,292,418.94/38,409,712.80
  6. Step 6: Final answer
    x = 14,485,179.60

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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.