Home / 38,611,929.80-57,917,009.10-19,437,537.80

Finding the Fourth Proportional to 38,611,929.80, 57,917,009.10 and 19,437,537.80

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Solution

The fourth proportional to 38,611,929.80, 57,917,009.10 and 19,437,537.80 is: 29,155,860.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,611,929.80 : 57,917,009.10 = 19,437,537.80 : x
  2. Step 2: Convert to fraction form
    38,611,929.80/57,917,009.10 = 19,437,537.80/x
  3. Step 3: Cross multiply
    38,611,929.80x = 57,917,009.10 × 19,437,537.80
  4. Step 4: Simplify right side
    38,611,929.80x = 1,125,764,053,644,194
  5. Step 5: Solve for x
    x = 1,125,764,053,644,194/38,611,929.80
  6. Step 6: Final answer
    x = 29,155,860.88

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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.