Home / 28,696,845.34-39,589,146.50-18,237,256.08

Finding the Fourth Proportional to 28,696,845.34, 39,589,146.50 and 18,237,256.08

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Solution

The fourth proportional to 28,696,845.34, 39,589,146.50 and 18,237,256.08 is: 25,159,469.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,696,845.34 : 39,589,146.50 = 18,237,256.08 : x
  2. Step 2: Convert to fraction form
    28,696,845.34/39,589,146.50 = 18,237,256.08/x
  3. Step 3: Cross multiply
    28,696,845.34x = 39,589,146.50 × 18,237,256.08
  4. Step 4: Simplify right side
    28,696,845.34x = 721,997,402,469,490.12
  5. Step 5: Solve for x
    x = 721,997,402,469,490.12/28,696,845.34
  6. Step 6: Final answer
    x = 25,159,469.41

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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.