Home / 42,721,576.20-64,082,364.30-10,373,260.86

Finding the Fourth Proportional to 42,721,576.20, 64,082,364.30 and 10,373,260.86

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Solution

The fourth proportional to 42,721,576.20, 64,082,364.30 and 10,373,260.86 is: 15,559,891.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,721,576.20 : 64,082,364.30 = 10,373,260.86 : x
  2. Step 2: Convert to fraction form
    42,721,576.20/64,082,364.30 = 10,373,260.86/x
  3. Step 3: Cross multiply
    42,721,576.20x = 64,082,364.30 × 10,373,260.86
  4. Step 4: Simplify right side
    42,721,576.20x = 664,743,081,409,451.25
  5. Step 5: Solve for x
    x = 664,743,081,409,451.25/42,721,576.20
  6. Step 6: Final answer
    x = 15,559,891.29

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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.