Home / 28,903,354.44-39,882,963.14-15,847,177.68

Finding the Fourth Proportional to 28,903,354.44, 39,882,963.14 and 15,847,177.68

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Solution

The fourth proportional to 28,903,354.44, 39,882,963.14 and 15,847,177.68 is: 21,867,095.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903,354.44 : 39,882,963.14 = 15,847,177.68 : x
  2. Step 2: Convert to fraction form
    28,903,354.44/39,882,963.14 = 15,847,177.68/x
  3. Step 3: Cross multiply
    28,903,354.44x = 39,882,963.14 × 15,847,177.68
  4. Step 4: Simplify right side
    28,903,354.44x = 632,032,403,284,470.75
  5. Step 5: Solve for x
    x = 632,032,403,284,470.75/28,903,354.44
  6. Step 6: Final answer
    x = 21,867,095.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.