Home / 20,833,557.90-31,255,260.03-8,696,276.52

Finding the Fourth Proportional to 20,833,557.90, 31,255,260.03 and 8,696,276.52

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Solution

The fourth proportional to 20,833,557.90, 31,255,260.03 and 8,696,276.52 is: 13,046,469.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,833,557.90 : 31,255,260.03 = 8,696,276.52 : x
  2. Step 2: Convert to fraction form
    20,833,557.90/31,255,260.03 = 8,696,276.52/x
  3. Step 3: Cross multiply
    20,833,557.90x = 31,255,260.03 × 8,696,276.52
  4. Step 4: Simplify right side
    20,833,557.90x = 271,804,383,925,383.50
  5. Step 5: Solve for x
    x = 271,804,383,925,383.50/20,833,557.90
  6. Step 6: Final answer
    x = 13,046,469.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.