Home / 21,159,054.04-29,197,451.82-11,867,006.20

Finding the Fourth Proportional to 21,159,054.04, 29,197,451.82 and 11,867,006.20

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Solution

The fourth proportional to 21,159,054.04, 29,197,451.82 and 11,867,006.20 is: 16,375,322.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,159,054.04 : 29,197,451.82 = 11,867,006.20 : x
  2. Step 2: Convert to fraction form
    21,159,054.04/29,197,451.82 = 11,867,006.20/x
  3. Step 3: Cross multiply
    21,159,054.04x = 29,197,451.82 × 11,867,006.20
  4. Step 4: Simplify right side
    21,159,054.04x = 346,486,341,772,141.25
  5. Step 5: Solve for x
    x = 346,486,341,772,141.25/21,159,054.04
  6. Step 6: Final answer
    x = 16,375,322.88

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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.