Home / 35,474,774.78-48,945,924.63-20,782,542.93

Finding the Fourth Proportional to 35,474,774.78, 48,945,924.63 and 20,782,542.93

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Solution

The fourth proportional to 35,474,774.78, 48,945,924.63 and 20,782,542.93 is: 28,674,481.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,474,774.78 : 48,945,924.63 = 20,782,542.93 : x
  2. Step 2: Convert to fraction form
    35,474,774.78/48,945,924.63 = 20,782,542.93/x
  3. Step 3: Cross multiply
    35,474,774.78x = 48,945,924.63 × 20,782,542.93
  4. Step 4: Simplify right side
    35,474,774.78x = 1,017,220,779,871,519.38
  5. Step 5: Solve for x
    x = 1,017,220,779,871,519.38/35,474,774.78
  6. Step 6: Final answer
    x = 28,674,481.69

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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.