Home / 38,459,539.80-57,689,309.70-12,894,384.60

Finding the Fourth Proportional to 38,459,539.80, 57,689,309.70 and 12,894,384.60

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Solution

The fourth proportional to 38,459,539.80, 57,689,309.70 and 12,894,384.60 is: 19,341,576.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,459,539.80 : 57,689,309.70 = 12,894,384.60 : x
  2. Step 2: Convert to fraction form
    38,459,539.80/57,689,309.70 = 12,894,384.60/x
  3. Step 3: Cross multiply
    38,459,539.80x = 57,689,309.70 × 12,894,384.60
  4. Step 4: Simplify right side
    38,459,539.80x = 743,868,146,580,310.62
  5. Step 5: Solve for x
    x = 743,868,146,580,310.62/38,459,539.80
  6. Step 6: Final answer
    x = 19,341,576.90

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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.