Home / 10,720,144.80-16,076,761.74-3,529,966.77

Finding the Fourth Proportional to 10,720,144.80, 16,076,761.74 and 3,529,966.77

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Solution

The fourth proportional to 10,720,144.80, 16,076,761.74 and 3,529,966.77 is: 5,293,812.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720,144.80 : 16,076,761.74 = 3,529,966.77 : x
  2. Step 2: Convert to fraction form
    10,720,144.80/16,076,761.74 = 3,529,966.77/x
  3. Step 3: Cross multiply
    10,720,144.80x = 16,076,761.74 × 3,529,966.77
  4. Step 4: Simplify right side
    10,720,144.80x = 56,750,434,711,407.38
  5. Step 5: Solve for x
    x = 56,750,434,711,407.38/10,720,144.80
  6. Step 6: Final answer
    x = 5,293,812.33

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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.