Home / 21,029,693.51-31,555,654.08-14,921,152.56

Finding the Fourth Proportional to 21,029,693.51, 31,555,654.08 and 14,921,152.56

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Solution

The fourth proportional to 21,029,693.51, 31,555,654.08 and 14,921,152.56 is: 22,389,614.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,029,693.51 : 31,555,654.08 = 14,921,152.56 : x
  2. Step 2: Convert to fraction form
    21,029,693.51/31,555,654.08 = 14,921,152.56/x
  3. Step 3: Cross multiply
    21,029,693.51x = 31,555,654.08 × 14,921,152.56
  4. Step 4: Simplify right side
    21,029,693.51x = 470,846,728,658,266.44
  5. Step 5: Solve for x
    x = 470,846,728,658,266.44/21,029,693.51
  6. Step 6: Final answer
    x = 22,389,614.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.