Home / 47,399,428.71-71,036,716.77-20,071,907.23

Finding the Fourth Proportional to 47,399,428.71, 71,036,716.77 and 20,071,907.23

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Solution

The fourth proportional to 47,399,428.71, 71,036,716.77 and 20,071,907.23 is: 30,081,425.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,399,428.71 : 71,036,716.77 = 20,071,907.23 : x
  2. Step 2: Convert to fraction form
    47,399,428.71/71,036,716.77 = 20,071,907.23/x
  3. Step 3: Cross multiply
    47,399,428.71x = 71,036,716.77 × 20,071,907.23
  4. Step 4: Simplify right side
    47,399,428.71x = 1,425,842,388,931,225.25
  5. Step 5: Solve for x
    x = 1,425,842,388,931,225.25/47,399,428.71
  6. Step 6: Final answer
    x = 30,081,425.61

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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.