Home / 13,660,961.40-20,515,061.70-7,283,669.40

Finding the Fourth Proportional to 13,660,961.40, 20,515,061.70 and 7,283,669.40

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Solution

The fourth proportional to 13,660,961.40, 20,515,061.70 and 7,283,669.40 is: 10,938,097.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660,961.40 : 20,515,061.70 = 7,283,669.40 : x
  2. Step 2: Convert to fraction form
    13,660,961.40/20,515,061.70 = 7,283,669.40/x
  3. Step 3: Cross multiply
    13,660,961.40x = 20,515,061.70 × 7,283,669.40
  4. Step 4: Simplify right side
    13,660,961.40x = 149,424,927,143,401.97
  5. Step 5: Solve for x
    x = 149,424,927,143,401.97/13,660,961.40
  6. Step 6: Final answer
    x = 10,938,097.46

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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.