Home / 17,314,401.60-25,980,933.60-7,218,043.20

Finding the Fourth Proportional to 17,314,401.60, 25,980,933.60 and 7,218,043.20

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Solution

The fourth proportional to 17,314,401.60, 25,980,933.60 and 7,218,043.20 is: 10,830,954.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,314,401.60 : 25,980,933.60 = 7,218,043.20 : x
  2. Step 2: Convert to fraction form
    17,314,401.60/25,980,933.60 = 7,218,043.20/x
  3. Step 3: Cross multiply
    17,314,401.60x = 25,980,933.60 × 7,218,043.20
  4. Step 4: Simplify right side
    17,314,401.60x = 187,531,501,101,131.53
  5. Step 5: Solve for x
    x = 187,531,501,101,131.53/17,314,401.60
  6. Step 6: Final answer
    x = 10,830,954.80

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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.