Home / 21,066,904.24-29,074,692.18-11,900,137.48

Finding the Fourth Proportional to 21,066,904.24, 29,074,692.18 and 11,900,137.48

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Solution

The fourth proportional to 21,066,904.24, 29,074,692.18 and 11,900,137.48 is: 16,423,525.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,066,904.24 : 29,074,692.18 = 11,900,137.48 : x
  2. Step 2: Convert to fraction form
    21,066,904.24/29,074,692.18 = 11,900,137.48/x
  3. Step 3: Cross multiply
    21,066,904.24x = 29,074,692.18 × 11,900,137.48
  4. Step 4: Simplify right side
    21,066,904.24x = 345,992,834,130,680.94
  5. Step 5: Solve for x
    x = 345,992,834,130,680.94/21,066,904.24
  6. Step 6: Final answer
    x = 16,423,525.27

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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.