Home / 20,735,072.99-28,615,088.00-11,316,379.73

Finding the Fourth Proportional to 20,735,072.99, 28,615,088.00 and 11,316,379.73

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Solution

The fourth proportional to 20,735,072.99, 28,615,088.00 and 11,316,379.73 is: 15,616,979.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,735,072.99 : 28,615,088.00 = 11,316,379.73 : x
  2. Step 2: Convert to fraction form
    20,735,072.99/28,615,088.00 = 11,316,379.73/x
  3. Step 3: Cross multiply
    20,735,072.99x = 28,615,088.00 × 11,316,379.73
  4. Step 4: Simplify right side
    20,735,072.99x = 323,819,201,837,230.94
  5. Step 5: Solve for x
    x = 323,819,201,837,230.94/20,735,072.99
  6. Step 6: Final answer
    x = 15,616,979.11

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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.