Home / 21,644,276.23-29,854,731.05-13,919,092.39

Finding the Fourth Proportional to 21,644,276.23, 29,854,731.05 and 13,919,092.39

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Solution

The fourth proportional to 21,644,276.23, 29,854,731.05 and 13,919,092.39 is: 19,199,106.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,644,276.23 : 29,854,731.05 = 13,919,092.39 : x
  2. Step 2: Convert to fraction form
    21,644,276.23/29,854,731.05 = 13,919,092.39/x
  3. Step 3: Cross multiply
    21,644,276.23x = 29,854,731.05 × 13,919,092.39
  4. Step 4: Simplify right side
    21,644,276.23x = 415,550,759,619,319.44
  5. Step 5: Solve for x
    x = 415,550,759,619,319.44/21,644,276.23
  6. Step 6: Final answer
    x = 19,199,106.28

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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.