Home / 52,432,445.72-78,631,665.06-20,082,626.84

Finding the Fourth Proportional to 52,432,445.72, 78,631,665.06 and 20,082,626.84

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Solution

The fourth proportional to 52,432,445.72, 78,631,665.06 and 20,082,626.84 is: 30,117,427.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,432,445.72 : 78,631,665.06 = 20,082,626.84 : x
  2. Step 2: Convert to fraction form
    52,432,445.72/78,631,665.06 = 20,082,626.84/x
  3. Step 3: Cross multiply
    52,432,445.72x = 78,631,665.06 × 20,082,626.84
  4. Step 4: Simplify right side
    52,432,445.72x = 1,579,130,387,207,846.25
  5. Step 5: Solve for x
    x = 1,579,130,387,207,846.25/52,432,445.72
  6. Step 6: Final answer
    x = 30,117,427.59

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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.