Home / 14,276,939.60-21,415,408.80-4,179,560.56

Finding the Fourth Proportional to 14,276,939.60, 21,415,408.80 and 4,179,560.56

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Solution

The fourth proportional to 14,276,939.60, 21,415,408.80 and 4,179,560.56 is: 6,269,340.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276,939.60 : 21,415,408.80 = 4,179,560.56 : x
  2. Step 2: Convert to fraction form
    14,276,939.60/21,415,408.80 = 4,179,560.56/x
  3. Step 3: Cross multiply
    14,276,939.60x = 21,415,408.80 × 4,179,560.56
  4. Step 4: Simplify right side
    14,276,939.60x = 89,506,997,996,756.94
  5. Step 5: Solve for x
    x = 89,506,997,996,756.94/14,276,939.60
  6. Step 6: Final answer
    x = 6,269,340.66

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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.