Home / 14,371,634.40-21,525,958.80-12,775,999.20

Finding the Fourth Proportional to 14,371,634.40, 21,525,958.80 and 12,775,999.20

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Solution

The fourth proportional to 14,371,634.40, 21,525,958.80 and 12,775,999.20 is: 19,136,002.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,371,634.40 : 21,525,958.80 = 12,775,999.20 : x
  2. Step 2: Convert to fraction form
    14,371,634.40/21,525,958.80 = 12,775,999.20/x
  3. Step 3: Cross multiply
    14,371,634.40x = 21,525,958.80 × 12,775,999.20
  4. Step 4: Simplify right side
    14,371,634.40x = 275,015,632,408,032.97
  5. Step 5: Solve for x
    x = 275,015,632,408,032.97/14,371,634.40
  6. Step 6: Final answer
    x = 19,136,002.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.