Home / 30,724,611.96-42,400,510.38-16,972,755.96

Finding the Fourth Proportional to 30,724,611.96, 42,400,510.38 and 16,972,755.96

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Solution

The fourth proportional to 30,724,611.96, 42,400,510.38 and 16,972,755.96 is: 23,422,704.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,724,611.96 : 42,400,510.38 = 16,972,755.96 : x
  2. Step 2: Convert to fraction form
    30,724,611.96/42,400,510.38 = 16,972,755.96/x
  3. Step 3: Cross multiply
    30,724,611.96x = 42,400,510.38 × 16,972,755.96
  4. Step 4: Simplify right side
    30,724,611.96x = 719,653,515,259,187
  5. Step 5: Solve for x
    x = 719,653,515,259,187/30,724,611.96
  6. Step 6: Final answer
    x = 23,422,704.77

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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.