Home / 38,889,904.80-58,320,860.40-19,714,288.80

Finding the Fourth Proportional to 38,889,904.80, 58,320,860.40 and 19,714,288.80

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Solution

The fourth proportional to 38,889,904.80, 58,320,860.40 and 19,714,288.80 is: 29,564,337.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,889,904.80 : 58,320,860.40 = 19,714,288.80 : x
  2. Step 2: Convert to fraction form
    38,889,904.80/58,320,860.40 = 19,714,288.80/x
  3. Step 3: Cross multiply
    38,889,904.80x = 58,320,860.40 × 19,714,288.80
  4. Step 4: Simplify right side
    38,889,904.80x = 1,149,754,284,990,083.50
  5. Step 5: Solve for x
    x = 1,149,754,284,990,083.50/38,889,904.80
  6. Step 6: Final answer
    x = 29,564,337.86

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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.