Home / 14,951,645.67-20,633,271.81-8,076,127.80

Finding the Fourth Proportional to 14,951,645.67, 20,633,271.81 and 8,076,127.80

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Solution

The fourth proportional to 14,951,645.67, 20,633,271.81 and 8,076,127.80 is: 11,145,056.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,951,645.67 : 20,633,271.81 = 8,076,127.80 : x
  2. Step 2: Convert to fraction form
    14,951,645.67/20,633,271.81 = 8,076,127.80/x
  3. Step 3: Cross multiply
    14,951,645.67x = 20,633,271.81 × 8,076,127.80
  4. Step 4: Simplify right side
    14,951,645.67x = 166,636,940,069,697.31
  5. Step 5: Solve for x
    x = 166,636,940,069,697.31/14,951,645.67
  6. Step 6: Final answer
    x = 11,145,056.79

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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.