Home / 30,634,471.36-42,275,431.84-16,883,405.76

Finding the Fourth Proportional to 30,634,471.36, 42,275,431.84 and 16,883,405.76

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Solution

The fourth proportional to 30,634,471.36, 42,275,431.84 and 16,883,405.76 is: 23,299,023.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,634,471.36 : 42,275,431.84 = 16,883,405.76 : x
  2. Step 2: Convert to fraction form
    30,634,471.36/42,275,431.84 = 16,883,405.76/x
  3. Step 3: Cross multiply
    30,634,471.36x = 42,275,431.84 × 16,883,405.76
  4. Step 4: Simplify right side
    30,634,471.36x = 713,753,269,433,943.50
  5. Step 5: Solve for x
    x = 713,753,269,433,943.50/30,634,471.36
  6. Step 6: Final answer
    x = 23,299,023.54

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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.