Home / 21,080,967.74-29,088,518.19-11,910,264.38

Finding the Fourth Proportional to 21,080,967.74, 29,088,518.19 and 11,910,264.38

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Solution

The fourth proportional to 21,080,967.74, 29,088,518.19 and 11,910,264.38 is: 16,434,347.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,080,967.74 : 29,088,518.19 = 11,910,264.38 : x
  2. Step 2: Convert to fraction form
    21,080,967.74/29,088,518.19 = 11,910,264.38/x
  3. Step 3: Cross multiply
    21,080,967.74x = 29,088,518.19 × 11,910,264.38
  4. Step 4: Simplify right side
    21,080,967.74x = 346,451,942,065,339.12
  5. Step 5: Solve for x
    x = 346,451,942,065,339.12/21,080,967.74
  6. Step 6: Final answer
    x = 16,434,347.15

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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.