Home / 29,150,827.49-40,228,157.18-15,920,185.50

Finding the Fourth Proportional to 29,150,827.49, 40,228,157.18 and 15,920,185.50

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Solution

The fourth proportional to 29,150,827.49, 40,228,157.18 and 15,920,185.50 is: 21,969,864.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,150,827.49 : 40,228,157.18 = 15,920,185.50 : x
  2. Step 2: Convert to fraction form
    29,150,827.49/40,228,157.18 = 15,920,185.50/x
  3. Step 3: Cross multiply
    29,150,827.49x = 40,228,157.18 × 15,920,185.50
  4. Step 4: Simplify right side
    29,150,827.49x = 640,439,724,668,557.25
  5. Step 5: Solve for x
    x = 640,439,724,668,557.25/29,150,827.49
  6. Step 6: Final answer
    x = 21,969,864.31

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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.