Home / 13,197,968.40-18,213,910.23-7,398,613.02

Finding the Fourth Proportional to 13,197,968.40, 18,213,910.23 and 7,398,613.02

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Solution

The fourth proportional to 13,197,968.40, 18,213,910.23 and 7,398,613.02 is: 10,210,486.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,197,968.40 : 18,213,910.23 = 7,398,613.02 : x
  2. Step 2: Convert to fraction form
    13,197,968.40/18,213,910.23 = 7,398,613.02/x
  3. Step 3: Cross multiply
    13,197,968.40x = 18,213,910.23 × 7,398,613.02
  4. Step 4: Simplify right side
    13,197,968.40x = 134,757,673,372,789.19
  5. Step 5: Solve for x
    x = 134,757,673,372,789.19/13,197,968.40
  6. Step 6: Final answer
    x = 10,210,486.14

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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.