Home / 28,548,023.90-39,396,312.86-15,495,285.51

Finding the Fourth Proportional to 28,548,023.90, 39,396,312.86 and 15,495,285.51

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Solution

The fourth proportional to 28,548,023.90, 39,396,312.86 and 15,495,285.51 is: 21,383,515.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,548,023.90 : 39,396,312.86 = 15,495,285.51 : x
  2. Step 2: Convert to fraction form
    28,548,023.90/39,396,312.86 = 15,495,285.51/x
  3. Step 3: Cross multiply
    28,548,023.90x = 39,396,312.86 × 15,495,285.51
  4. Step 4: Simplify right side
    28,548,023.90x = 610,457,115,729,508.12
  5. Step 5: Solve for x
    x = 610,457,115,729,508.12/28,548,023.90
  6. Step 6: Final answer
    x = 21,383,515.65

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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.