Home / 19,098,146.88-28,648,171.80-5,453,317.44

Finding the Fourth Proportional to 19,098,146.88, 28,648,171.80 and 5,453,317.44

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Solution

The fourth proportional to 19,098,146.88, 28,648,171.80 and 5,453,317.44 is: 8,180,247.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,098,146.88 : 28,648,171.80 = 5,453,317.44 : x
  2. Step 2: Convert to fraction form
    19,098,146.88/28,648,171.80 = 5,453,317.44/x
  3. Step 3: Cross multiply
    19,098,146.88x = 28,648,171.80 × 5,453,317.44
  4. Step 4: Simplify right side
    19,098,146.88x = 156,227,574,901,056.22
  5. Step 5: Solve for x
    x = 156,227,574,901,056.22/19,098,146.88
  6. Step 6: Final answer
    x = 8,180,247.85

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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.