Home / 21,148,508.85-31,716,305.36-14,625,150.16

Finding the Fourth Proportional to 21,148,508.85, 31,716,305.36 and 14,625,150.16

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Solution

The fourth proportional to 21,148,508.85, 31,716,305.36 and 14,625,150.16 is: 21,933,259.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,148,508.85 : 31,716,305.36 = 14,625,150.16 : x
  2. Step 2: Convert to fraction form
    21,148,508.85/31,716,305.36 = 14,625,150.16/x
  3. Step 3: Cross multiply
    21,148,508.85x = 31,716,305.36 × 14,625,150.16
  4. Step 4: Simplify right side
    21,148,508.85x = 463,855,728,433,997.69
  5. Step 5: Solve for x
    x = 463,855,728,433,997.69/21,148,508.85
  6. Step 6: Final answer
    x = 21,933,259.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.