Home / 18,157,071.17-25,042,583.40-11,631,307.39

Finding the Fourth Proportional to 18,157,071.17, 25,042,583.40 and 11,631,307.39

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Solution

The fourth proportional to 18,157,071.17, 25,042,583.40 and 11,631,307.39 is: 16,042,123.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,157,071.17 : 25,042,583.40 = 11,631,307.39 : x
  2. Step 2: Convert to fraction form
    18,157,071.17/25,042,583.40 = 11,631,307.39/x
  3. Step 3: Cross multiply
    18,157,071.17x = 25,042,583.40 × 11,631,307.39
  4. Step 4: Simplify right side
    18,157,071.17x = 291,277,985,258,887.44
  5. Step 5: Solve for x
    x = 291,277,985,258,887.44/18,157,071.17
  6. Step 6: Final answer
    x = 16,042,123.89

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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.