Home / 14,220,664.80-21,294,911.70-7,823,689.80

Finding the Fourth Proportional to 14,220,664.80, 21,294,911.70 and 7,823,689.80

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Solution

The fourth proportional to 14,220,664.80, 21,294,911.70 and 7,823,689.80 is: 11,715,681.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220,664.80 : 21,294,911.70 = 7,823,689.80 : x
  2. Step 2: Convert to fraction form
    14,220,664.80/21,294,911.70 = 7,823,689.80/x
  3. Step 3: Cross multiply
    14,220,664.80x = 21,294,911.70 × 7,823,689.80
  4. Step 4: Simplify right side
    14,220,664.80x = 166,604,783,459,190.66
  5. Step 5: Solve for x
    x = 166,604,783,459,190.66/14,220,664.80
  6. Step 6: Final answer
    x = 11,715,681.78

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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.