Home / 13,595,170.21-18,761,829.83-7,399,916.80

Finding the Fourth Proportional to 13,595,170.21, 18,761,829.83 and 7,399,916.80

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Solution

The fourth proportional to 13,595,170.21, 18,761,829.83 and 7,399,916.80 is: 10,212,154.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595,170.21 : 18,761,829.83 = 7,399,916.80 : x
  2. Step 2: Convert to fraction form
    13,595,170.21/18,761,829.83 = 7,399,916.80/x
  3. Step 3: Cross multiply
    13,595,170.21x = 18,761,829.83 × 7,399,916.80
  4. Step 4: Simplify right side
    13,595,170.21x = 138,835,979,701,603.67
  5. Step 5: Solve for x
    x = 138,835,979,701,603.67/13,595,170.21
  6. Step 6: Final answer
    x = 10,212,154.58

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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.