Home / 47,389,425-71,086,893.16-13,313,428.08

Finding the Fourth Proportional to 47,389,425, 71,086,893.16 and 13,313,428.08

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Solution

The fourth proportional to 47,389,425, 71,086,893.16 and 13,313,428.08 is: 19,970,916.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,389,425 : 71,086,893.16 = 13,313,428.08 : x
  2. Step 2: Convert to fraction form
    47,389,425/71,086,893.16 = 13,313,428.08/x
  3. Step 3: Cross multiply
    47,389,425x = 71,086,893.16 × 13,313,428.08
  4. Step 4: Simplify right side
    47,389,425x = 946,410,239,516,303.88
  5. Step 5: Solve for x
    x = 946,410,239,516,303.88/47,389,425
  6. Step 6: Final answer
    x = 19,970,916.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.