Home / 12,342,736.13-18,515,322.09-4,254,646.91

Finding the Fourth Proportional to 12,342,736.13, 18,515,322.09 and 4,254,646.91

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Solution

The fourth proportional to 12,342,736.13, 18,515,322.09 and 4,254,646.91 is: 6,382,390.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,342,736.13 : 18,515,322.09 = 4,254,646.91 : x
  2. Step 2: Convert to fraction form
    12,342,736.13/18,515,322.09 = 4,254,646.91/x
  3. Step 3: Cross multiply
    12,342,736.13x = 18,515,322.09 × 4,254,646.91
  4. Step 4: Simplify right side
    12,342,736.13x = 78,776,157,825,296.64
  5. Step 5: Solve for x
    x = 78,776,157,825,296.64/12,342,736.13
  6. Step 6: Final answer
    x = 6,382,390.18

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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.