Home / 21,697,818.50-29,944,389.21-12,040,026.50

Finding the Fourth Proportional to 21,697,818.50, 29,944,389.21 and 12,040,026.50

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Solution

The fourth proportional to 21,697,818.50, 29,944,389.21 and 12,040,026.50 is: 16,616,013.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,697,818.50 : 29,944,389.21 = 12,040,026.50 : x
  2. Step 2: Convert to fraction form
    21,697,818.50/29,944,389.21 = 12,040,026.50/x
  3. Step 3: Cross multiply
    21,697,818.50x = 29,944,389.21 × 12,040,026.50
  4. Step 4: Simplify right side
    21,697,818.50x = 360,531,239,614,714.06
  5. Step 5: Solve for x
    x = 360,531,239,614,714.06/21,697,818.50
  6. Step 6: Final answer
    x = 16,616,013.25

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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.