Home / 28,939,226.02-43,386,104.67-19,813,719.38

Finding the Fourth Proportional to 28,939,226.02, 43,386,104.67 and 19,813,719.38

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Solution

The fourth proportional to 28,939,226.02, 43,386,104.67 and 19,813,719.38 is: 29,705,013.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,939,226.02 : 43,386,104.67 = 19,813,719.38 : x
  2. Step 2: Convert to fraction form
    28,939,226.02/43,386,104.67 = 19,813,719.38/x
  3. Step 3: Cross multiply
    28,939,226.02x = 43,386,104.67 × 19,813,719.38
  4. Step 4: Simplify right side
    28,939,226.02x = 859,640,102,922,687.50
  5. Step 5: Solve for x
    x = 859,640,102,922,687.50/28,939,226.02
  6. Step 6: Final answer
    x = 29,705,013.61

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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.