Home / 14,401,158.09-19,871,965.95-8,520,972.56

Finding the Fourth Proportional to 14,401,158.09, 19,871,965.95 and 8,520,972.56

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Solution

The fourth proportional to 14,401,158.09, 19,871,965.95 and 8,520,972.56 is: 11,757,976.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,401,158.09 : 19,871,965.95 = 8,520,972.56 : x
  2. Step 2: Convert to fraction form
    14,401,158.09/19,871,965.95 = 8,520,972.56/x
  3. Step 3: Cross multiply
    14,401,158.09x = 19,871,965.95 × 8,520,972.56
  4. Step 4: Simplify right side
    14,401,158.09x = 169,328,476,516,410.72
  5. Step 5: Solve for x
    x = 169,328,476,516,410.72/14,401,158.09
  6. Step 6: Final answer
    x = 11,757,976.37

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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.