Home / 47,399,427.71-71,036,715.27-20,071,906.23

Finding the Fourth Proportional to 47,399,427.71, 71,036,715.27 and 20,071,906.23

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Solution

The fourth proportional to 47,399,427.71, 71,036,715.27 and 20,071,906.23 is: 30,081,424.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,399,427.71 : 71,036,715.27 = 20,071,906.23 : x
  2. Step 2: Convert to fraction form
    47,399,427.71/71,036,715.27 = 20,071,906.23/x
  3. Step 3: Cross multiply
    47,399,427.71x = 71,036,715.27 × 20,071,906.23
  4. Step 4: Simplify right side
    47,399,427.71x = 1,425,842,287,786,649
  5. Step 5: Solve for x
    x = 1,425,842,287,786,649/47,399,427.71
  6. Step 6: Final answer
    x = 30,081,424.12

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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.