Home / 28,935,935.47-39,913,427.51-17,166,871.54

Finding the Fourth Proportional to 28,935,935.47, 39,913,427.51 and 17,166,871.54

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Solution

The fourth proportional to 28,935,935.47, 39,913,427.51 and 17,166,871.54 is: 23,679,506.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,935,935.47 : 39,913,427.51 = 17,166,871.54 : x
  2. Step 2: Convert to fraction form
    28,935,935.47/39,913,427.51 = 17,166,871.54/x
  3. Step 3: Cross multiply
    28,935,935.47x = 39,913,427.51 × 17,166,871.54
  4. Step 4: Simplify right side
    28,935,935.47x = 685,188,682,685,755.88
  5. Step 5: Solve for x
    x = 685,188,682,685,755.88/28,935,935.47
  6. Step 6: Final answer
    x = 23,679,506.87

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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.