Home / 21,885,106.98-30,205,197.90-12,723,064.14

Finding the Fourth Proportional to 21,885,106.98, 30,205,197.90 and 12,723,064.14

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Solution

The fourth proportional to 21,885,106.98, 30,205,197.90 and 12,723,064.14 is: 17,560,008.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,885,106.98 : 30,205,197.90 = 12,723,064.14 : x
  2. Step 2: Convert to fraction form
    21,885,106.98/30,205,197.90 = 12,723,064.14/x
  3. Step 3: Cross multiply
    21,885,106.98x = 30,205,197.90 × 12,723,064.14
  4. Step 4: Simplify right side
    21,885,106.98x = 384,302,670,243,093.31
  5. Step 5: Solve for x
    x = 384,302,670,243,093.31/21,885,106.98
  6. Step 6: Final answer
    x = 17,560,008.76

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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.