Home / 20,804,925.55-31,207,388.33-18,285,501.55

Finding the Fourth Proportional to 20,804,925.55, 31,207,388.33 and 18,285,501.55

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Solution

The fourth proportional to 20,804,925.55, 31,207,388.33 and 18,285,501.55 is: 27,428,252.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,804,925.55 : 31,207,388.33 = 18,285,501.55 : x
  2. Step 2: Convert to fraction form
    20,804,925.55/31,207,388.33 = 18,285,501.55/x
  3. Step 3: Cross multiply
    20,804,925.55x = 31,207,388.33 × 18,285,501.55
  4. Step 4: Simplify right side
    20,804,925.55x = 570,642,747,588,239.38
  5. Step 5: Solve for x
    x = 570,642,747,588,239.38/20,804,925.55
  6. Step 6: Final answer
    x = 27,428,252.33

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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.