Home / 21,806,056.90-30,092,401.29-13,104,362.98

Finding the Fourth Proportional to 21,806,056.90, 30,092,401.29 and 13,104,362.98

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Solution

The fourth proportional to 21,806,056.90, 30,092,401.29 and 13,104,362.98 is: 18,084,046.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,806,056.90 : 30,092,401.29 = 13,104,362.98 : x
  2. Step 2: Convert to fraction form
    21,806,056.90/30,092,401.29 = 13,104,362.98/x
  3. Step 3: Cross multiply
    21,806,056.90x = 30,092,401.29 × 13,104,362.98
  4. Step 4: Simplify right side
    21,806,056.90x = 394,341,749,443,980.25
  5. Step 5: Solve for x
    x = 394,341,749,443,980.25/21,806,056.90
  6. Step 6: Final answer
    x = 18,084,046.61

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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.