Home / 9,288,260-12,816,638.28-5,157,729.56

Finding the Fourth Proportional to 9,288,260, 12,816,638.28 and 5,157,729.56

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Solution

The fourth proportional to 9,288,260, 12,816,638.28 and 5,157,729.56 is: 7,117,022.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288,260 : 12,816,638.28 = 5,157,729.56 : x
  2. Step 2: Convert to fraction form
    9,288,260/12,816,638.28 = 5,157,729.56/x
  3. Step 3: Cross multiply
    9,288,260x = 12,816,638.28 × 5,157,729.56
  4. Step 4: Simplify right side
    9,288,260x = 66,104,754,116,583.55
  5. Step 5: Solve for x
    x = 66,104,754,116,583.55/9,288,260
  6. Step 6: Final answer
    x = 7,117,022.36

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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.