Home / 12,389,378.03-17,098,918.21-7,494,635.16

Finding the Fourth Proportional to 12,389,378.03, 17,098,918.21 and 7,494,635.16

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Solution

The fourth proportional to 12,389,378.03, 17,098,918.21 and 7,494,635.16 is: 10,343,550.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,389,378.03 : 17,098,918.21 = 7,494,635.16 : x
  2. Step 2: Convert to fraction form
    12,389,378.03/17,098,918.21 = 7,494,635.16/x
  3. Step 3: Cross multiply
    12,389,378.03x = 17,098,918.21 × 7,494,635.16
  4. Step 4: Simplify right side
    12,389,378.03x = 128,150,153,581,841.25
  5. Step 5: Solve for x
    x = 128,150,153,581,841.25/12,389,378.03
  6. Step 6: Final answer
    x = 10,343,550.19

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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.