Home / 21,020,695.12-29,008,518.84-11,727,712.24

Finding the Fourth Proportional to 21,020,695.12, 29,008,518.84 and 11,727,712.24

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Solution

The fourth proportional to 21,020,695.12, 29,008,518.84 and 11,727,712.24 is: 16,184,220.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,020,695.12 : 29,008,518.84 = 11,727,712.24 : x
  2. Step 2: Convert to fraction form
    21,020,695.12/29,008,518.84 = 11,727,712.24/x
  3. Step 3: Cross multiply
    21,020,695.12x = 29,008,518.84 × 11,727,712.24
  4. Step 4: Simplify right side
    21,020,695.12x = 340,203,561,464,138.62
  5. Step 5: Solve for x
    x = 340,203,561,464,138.62/21,020,695.12
  6. Step 6: Final answer
    x = 16,184,220.34

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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.