Home / 20,333,663.63-28,059,445.45-11,511,743.03

Finding the Fourth Proportional to 20,333,663.63, 28,059,445.45 and 11,511,743.03

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Solution

The fourth proportional to 20,333,663.63, 28,059,445.45 and 11,511,743.03 is: 15,885,633.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,333,663.63 : 28,059,445.45 = 11,511,743.03 : x
  2. Step 2: Convert to fraction form
    20,333,663.63/28,059,445.45 = 11,511,743.03/x
  3. Step 3: Cross multiply
    20,333,663.63x = 28,059,445.45 × 11,511,743.03
  4. Step 4: Simplify right side
    20,333,663.63x = 323,013,125,626,072
  5. Step 5: Solve for x
    x = 323,013,125,626,072/20,333,663.63
  6. Step 6: Final answer
    x = 15,885,633.37

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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.