Home / 18,406,869.64-25,401,559.77-10,146,754.10

Finding the Fourth Proportional to 18,406,869.64, 25,401,559.77 and 10,146,754.10

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Solution

The fourth proportional to 18,406,869.64, 25,401,559.77 and 10,146,754.10 is: 14,002,564.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,406,869.64 : 25,401,559.77 = 10,146,754.10 : x
  2. Step 2: Convert to fraction form
    18,406,869.64/25,401,559.77 = 10,146,754.10/x
  3. Step 3: Cross multiply
    18,406,869.64x = 25,401,559.77 × 10,146,754.10
  4. Step 4: Simplify right side
    18,406,869.64x = 257,743,380,806,146.44
  5. Step 5: Solve for x
    x = 257,743,380,806,146.44/18,406,869.64
  6. Step 6: Final answer
    x = 14,002,564.58

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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.