Home / 28,317,915.20-39,068,645.28-16,709,669.12

Finding the Fourth Proportional to 28,317,915.20, 39,068,645.28 and 16,709,669.12

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Solution

The fourth proportional to 28,317,915.20, 39,068,645.28 and 16,709,669.12 is: 23,053,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,317,915.20 : 39,068,645.28 = 16,709,669.12 : x
  2. Step 2: Convert to fraction form
    28,317,915.20/39,068,645.28 = 16,709,669.12/x
  3. Step 3: Cross multiply
    28,317,915.20x = 39,068,645.28 × 16,709,669.12
  4. Step 4: Simplify right side
    28,317,915.20x = 652,824,135,595,449.75
  5. Step 5: Solve for x
    x = 652,824,135,595,449.75/28,317,915.20
  6. Step 6: Final answer
    x = 23,053,396.80

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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.