Home / 13,656,355.40-18,845,550.49-7,461,269.06

Finding the Fourth Proportional to 13,656,355.40, 18,845,550.49 and 7,461,269.06

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Solution

The fourth proportional to 13,656,355.40, 18,845,550.49 and 7,461,269.06 is: 10,296,431.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656,355.40 : 18,845,550.49 = 7,461,269.06 : x
  2. Step 2: Convert to fraction form
    13,656,355.40/18,845,550.49 = 7,461,269.06/x
  3. Step 3: Cross multiply
    13,656,355.40x = 18,845,550.49 × 7,461,269.06
  4. Step 4: Simplify right side
    13,656,355.40x = 140,611,722,658,170.73
  5. Step 5: Solve for x
    x = 140,611,722,658,170.73/13,656,355.40
  6. Step 6: Final answer
    x = 10,296,431.12

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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.