Home / 42,833,563.48-64,273,919.46-18,572,676.76

Finding the Fourth Proportional to 42,833,563.48, 64,273,919.46 and 18,572,676.76

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Solution

The fourth proportional to 42,833,563.48, 64,273,919.46 and 18,572,676.76 is: 27,869,236.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,833,563.48 : 64,273,919.46 = 18,572,676.76 : x
  2. Step 2: Convert to fraction form
    42,833,563.48/64,273,919.46 = 18,572,676.76/x
  3. Step 3: Cross multiply
    42,833,563.48x = 64,273,919.46 × 18,572,676.76
  4. Step 4: Simplify right side
    42,833,563.48x = 1,193,738,730,228,853.75
  5. Step 5: Solve for x
    x = 1,193,738,730,228,853.75/42,833,563.48
  6. Step 6: Final answer
    x = 27,869,236.95

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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.