Home / 38,247,493.16-52,780,000.74-20,843,464.70

Finding the Fourth Proportional to 38,247,493.16, 52,780,000.74 and 20,843,464.70

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Solution

The fourth proportional to 38,247,493.16, 52,780,000.74 and 20,843,464.70 is: 28,763,142.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,247,493.16 : 52,780,000.74 = 20,843,464.70 : x
  2. Step 2: Convert to fraction form
    38,247,493.16/52,780,000.74 = 20,843,464.70/x
  3. Step 3: Cross multiply
    38,247,493.16x = 52,780,000.74 × 20,843,464.70
  4. Step 4: Simplify right side
    38,247,493.16x = 1,100,118,082,343,950.88
  5. Step 5: Solve for x
    x = 1,100,118,082,343,950.88/38,247,493.16
  6. Step 6: Final answer
    x = 28,763,142.14

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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.