Home / 9,378,700.90-12,942,607.26-5,086,348.90

Finding the Fourth Proportional to 9,378,700.90, 12,942,607.26 and 5,086,348.90

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Solution

The fourth proportional to 9,378,700.90, 12,942,607.26 and 5,086,348.90 is: 7,019,161.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378,700.90 : 12,942,607.26 = 5,086,348.90 : x
  2. Step 2: Convert to fraction form
    9,378,700.90/12,942,607.26 = 5,086,348.90/x
  3. Step 3: Cross multiply
    9,378,700.90x = 12,942,607.26 × 5,086,348.90
  4. Step 4: Simplify right side
    9,378,700.90x = 65,830,616,200,033.02
  5. Step 5: Solve for x
    x = 65,830,616,200,033.02/9,378,700.90
  6. Step 6: Final answer
    x = 7,019,161.49

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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.