Home / 13,475,276.70-20,212,915.05-4,953,849.90

Finding the Fourth Proportional to 13,475,276.70, 20,212,915.05 and 4,953,849.90

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Solution

The fourth proportional to 13,475,276.70, 20,212,915.05 and 4,953,849.90 is: 7,430,774.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475,276.70 : 20,212,915.05 = 4,953,849.90 : x
  2. Step 2: Convert to fraction form
    13,475,276.70/20,212,915.05 = 4,953,849.90/x
  3. Step 3: Cross multiply
    13,475,276.70x = 20,212,915.05 × 4,953,849.90
  4. Step 4: Simplify right side
    13,475,276.70x = 100,131,747,199,151
  5. Step 5: Solve for x
    x = 100,131,747,199,151/13,475,276.70
  6. Step 6: Final answer
    x = 7,430,774.85

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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.