Home / 39,889,063.56-55,046,906.58-21,554,348.52

Finding the Fourth Proportional to 39,889,063.56, 55,046,906.58 and 21,554,348.52

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Solution

The fourth proportional to 39,889,063.56, 55,046,906.58 and 21,554,348.52 is: 29,745,000.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,889,063.56 : 55,046,906.58 = 21,554,348.52 : x
  2. Step 2: Convert to fraction form
    39,889,063.56/55,046,906.58 = 21,554,348.52/x
  3. Step 3: Cross multiply
    39,889,063.56x = 55,046,906.58 × 21,554,348.52
  4. Step 4: Simplify right side
    39,889,063.56x = 1,186,500,209,373,201.25
  5. Step 5: Solve for x
    x = 1,186,500,209,373,201.25/39,889,063.56
  6. Step 6: Final answer
    x = 29,745,000.35

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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.