Home / 12,607,495.80-17,402,697.77-7,382,183.66

Finding the Fourth Proportional to 12,607,495.80, 17,402,697.77 and 7,382,183.66

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Solution

The fourth proportional to 12,607,495.80, 17,402,697.77 and 7,382,183.66 is: 10,189,962.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607,495.80 : 17,402,697.77 = 7,382,183.66 : x
  2. Step 2: Convert to fraction form
    12,607,495.80/17,402,697.77 = 7,382,183.66/x
  3. Step 3: Cross multiply
    12,607,495.80x = 17,402,697.77 × 7,382,183.66
  4. Step 4: Simplify right side
    12,607,495.80x = 128,469,911,117,612.44
  5. Step 5: Solve for x
    x = 128,469,911,117,612.44/12,607,495.80
  6. Step 6: Final answer
    x = 10,189,962.63

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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.