Home / 14,954,144.78-20,636,848.50-8,426,523.26

Finding the Fourth Proportional to 14,954,144.78, 20,636,848.50 and 8,426,523.26

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Solution

The fourth proportional to 14,954,144.78, 20,636,848.50 and 8,426,523.26 is: 11,628,674.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,954,144.78 : 20,636,848.50 = 8,426,523.26 : x
  2. Step 2: Convert to fraction form
    14,954,144.78/20,636,848.50 = 8,426,523.26/x
  3. Step 3: Cross multiply
    14,954,144.78x = 20,636,848.50 × 8,426,523.26
  4. Step 4: Simplify right side
    14,954,144.78x = 173,896,883,898,346.09
  5. Step 5: Solve for x
    x = 173,896,883,898,346.09/14,954,144.78
  6. Step 6: Final answer
    x = 11,628,674.62

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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.