Home / 21,029,693.80-31,544,540.70-9,692,285.80

Finding the Fourth Proportional to 21,029,693.80, 31,544,540.70 and 9,692,285.80

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Solution

The fourth proportional to 21,029,693.80, 31,544,540.70 and 9,692,285.80 is: 14,538,428.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,029,693.80 : 31,544,540.70 = 9,692,285.80 : x
  2. Step 2: Convert to fraction form
    21,029,693.80/31,544,540.70 = 9,692,285.80/x
  3. Step 3: Cross multiply
    21,029,693.80x = 31,544,540.70 × 9,692,285.80
  4. Step 4: Simplify right side
    21,029,693.80x = 305,738,703,894,132.06
  5. Step 5: Solve for x
    x = 305,738,703,894,132.06/21,029,693.80
  6. Step 6: Final answer
    x = 14,538,428.70

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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.