Home / 28,903,394.82-39,883,018.88-15,847,218.05

Finding the Fourth Proportional to 28,903,394.82, 39,883,018.88 and 15,847,218.05

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Solution

The fourth proportional to 28,903,394.82, 39,883,018.88 and 15,847,218.05 is: 21,867,150.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903,394.82 : 39,883,018.88 = 15,847,218.05 : x
  2. Step 2: Convert to fraction form
    28,903,394.82/39,883,018.88 = 15,847,218.05/x
  3. Step 3: Cross multiply
    28,903,394.82x = 39,883,018.88 × 15,847,218.05
  4. Step 4: Simplify right side
    28,903,394.82x = 632,034,896,404,975.62
  5. Step 5: Solve for x
    x = 632,034,896,404,975.62/28,903,394.82
  6. Step 6: Final answer
    x = 21,867,150.91

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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.