Home / 28,237,431.47-42,356,334.00-7,769,313.48

Finding the Fourth Proportional to 28,237,431.47, 42,356,334.00 and 7,769,313.48

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Solution

The fourth proportional to 28,237,431.47, 42,356,334.00 and 7,769,313.48 is: 11,654,021.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,237,431.47 : 42,356,334.00 = 7,769,313.48 : x
  2. Step 2: Convert to fraction form
    28,237,431.47/42,356,334.00 = 7,769,313.48/x
  3. Step 3: Cross multiply
    28,237,431.47x = 42,356,334.00 × 7,769,313.48
  4. Step 4: Simplify right side
    28,237,431.47x = 329,079,636,897,553.44
  5. Step 5: Solve for x
    x = 329,079,636,897,553.44/28,237,431.47
  6. Step 6: Final answer
    x = 11,654,021.62

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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.