Home / 38,665,890.40-57,996,992.40-13,104,392.80

Finding the Fourth Proportional to 38,665,890.40, 57,996,992.40 and 13,104,392.80

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Solution

The fourth proportional to 38,665,890.40, 57,996,992.40 and 13,104,392.80 is: 19,655,964.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,665,890.40 : 57,996,992.40 = 13,104,392.80 : x
  2. Step 2: Convert to fraction form
    38,665,890.40/57,996,992.40 = 13,104,392.80/x
  3. Step 3: Cross multiply
    38,665,890.40x = 57,996,992.40 × 13,104,392.80
  4. Step 4: Simplify right side
    38,665,890.40x = 760,015,369,628,214.75
  5. Step 5: Solve for x
    x = 760,015,369,628,214.75/38,665,890.40
  6. Step 6: Final answer
    x = 19,655,964.51

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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.