Home / 28,548,035.52-39,396,328.92-15,495,297.18

Finding the Fourth Proportional to 28,548,035.52, 39,396,328.92 and 15,495,297.18

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Solution

The fourth proportional to 28,548,035.52, 39,396,328.92 and 15,495,297.18 is: 21,383,531.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,548,035.52 : 39,396,328.92 = 15,495,297.18 : x
  2. Step 2: Convert to fraction form
    28,548,035.52/39,396,328.92 = 15,495,297.18/x
  3. Step 3: Cross multiply
    28,548,035.52x = 39,396,328.92 × 15,495,297.18
  4. Step 4: Simplify right side
    28,548,035.52x = 610,457,824,416,428.50
  5. Step 5: Solve for x
    x = 610,457,824,416,428.50/28,548,035.52
  6. Step 6: Final answer
    x = 21,383,531.77

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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.