Home / 12,327,458.18-17,012,393.69-6,820,743.51

Finding the Fourth Proportional to 12,327,458.18, 17,012,393.69 and 6,820,743.51

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Solution

The fourth proportional to 12,327,458.18, 17,012,393.69 and 6,820,743.51 is: 9,412,903.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,327,458.18 : 17,012,393.69 = 6,820,743.51 : x
  2. Step 2: Convert to fraction form
    12,327,458.18/17,012,393.69 = 6,820,743.51/x
  3. Step 3: Cross multiply
    12,327,458.18x = 17,012,393.69 × 6,820,743.51
  4. Step 4: Simplify right side
    12,327,458.18x = 116,037,173,816,528.72
  5. Step 5: Solve for x
    x = 116,037,173,816,528.72/12,327,458.18
  6. Step 6: Final answer
    x = 9,412,903.47

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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.