Home / 21,885,106.48-30,205,197.21-12,723,063.64

Finding the Fourth Proportional to 21,885,106.48, 30,205,197.21 and 12,723,063.64

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Solution

The fourth proportional to 21,885,106.48, 30,205,197.21 and 12,723,063.64 is: 17,560,008.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,885,106.48 : 30,205,197.21 = 12,723,063.64 : x
  2. Step 2: Convert to fraction form
    21,885,106.48/30,205,197.21 = 12,723,063.64/x
  3. Step 3: Cross multiply
    21,885,106.48x = 30,205,197.21 × 12,723,063.64
  4. Step 4: Simplify right side
    21,885,106.48x = 384,302,646,361,580.50
  5. Step 5: Solve for x
    x = 384,302,646,361,580.50/21,885,106.48
  6. Step 6: Final answer
    x = 17,560,008.07

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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.