Home / 31,042,890.64-42,839,228.64-16,914,010.24

Finding the Fourth Proportional to 31,042,890.64, 42,839,228.64 and 16,914,010.24

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Solution

The fourth proportional to 31,042,890.64, 42,839,228.64 and 16,914,010.24 is: 23,341,355.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,042,890.64 : 42,839,228.64 = 16,914,010.24 : x
  2. Step 2: Convert to fraction form
    31,042,890.64/42,839,228.64 = 16,914,010.24/x
  3. Step 3: Cross multiply
    31,042,890.64x = 42,839,228.64 × 16,914,010.24
  4. Step 4: Simplify right side
    31,042,890.64x = 724,583,151,890,661.25
  5. Step 5: Solve for x
    x = 724,583,151,890,661.25/31,042,890.64
  6. Step 6: Final answer
    x = 23,341,355.68

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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.