Home / 30,724,610.96-42,400,509-16,972,754.96

Finding the Fourth Proportional to 30,724,610.96, 42,400,509 and 16,972,754.96

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Solution

The fourth proportional to 30,724,610.96, 42,400,509 and 16,972,754.96 is: 23,422,703.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,724,610.96 : 42,400,509 = 16,972,754.96 : x
  2. Step 2: Convert to fraction form
    30,724,610.96/42,400,509 = 16,972,754.96/x
  3. Step 3: Cross multiply
    30,724,610.96x = 42,400,509 × 16,972,754.96
  4. Step 4: Simplify right side
    30,724,610.96x = 719,653,449,436,274.62
  5. Step 5: Solve for x
    x = 719,653,449,436,274.62/30,724,610.96
  6. Step 6: Final answer
    x = 23,422,703.39

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1.5x scale

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.