Home / 38,487,996.72-53,114,757.48-21,084,336.72

Finding the Fourth Proportional to 38,487,996.72, 53,114,757.48 and 21,084,336.72

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Solution

The fourth proportional to 38,487,996.72, 53,114,757.48 and 21,084,336.72 is: 29,097,108.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,487,996.72 : 53,114,757.48 = 21,084,336.72 : x
  2. Step 2: Convert to fraction form
    38,487,996.72/53,114,757.48 = 21,084,336.72/x
  3. Step 3: Cross multiply
    38,487,996.72x = 53,114,757.48 × 21,084,336.72
  4. Step 4: Simplify right side
    38,487,996.72x = 1,119,889,431,509,458.50
  5. Step 5: Solve for x
    x = 1,119,889,431,509,458.50/38,487,996.72
  6. Step 6: Final answer
    x = 29,097,108.89

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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.