Home / 18,406,871.76-25,401,562.70-10,146,756.23

Finding the Fourth Proportional to 18,406,871.76, 25,401,562.70 and 10,146,756.23

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Solution

The fourth proportional to 18,406,871.76, 25,401,562.70 and 10,146,756.23 is: 14,002,567.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,406,871.76 : 25,401,562.70 = 10,146,756.23 : x
  2. Step 2: Convert to fraction form
    18,406,871.76/25,401,562.70 = 10,146,756.23/x
  3. Step 3: Cross multiply
    18,406,871.76x = 25,401,562.70 × 10,146,756.23
  4. Step 4: Simplify right side
    18,406,871.76x = 257,743,464,577,960.62
  5. Step 5: Solve for x
    x = 257,743,464,577,960.62/18,406,871.76
  6. Step 6: Final answer
    x = 14,002,567.52

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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.