Home / 38,631,969.40-57,947,954.10-11,702,126.20

Finding the Fourth Proportional to 38,631,969.40, 57,947,954.10 and 11,702,126.20

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Solution

The fourth proportional to 38,631,969.40, 57,947,954.10 and 11,702,126.20 is: 17,553,189.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,631,969.40 : 57,947,954.10 = 11,702,126.20 : x
  2. Step 2: Convert to fraction form
    38,631,969.40/57,947,954.10 = 11,702,126.20/x
  3. Step 3: Cross multiply
    38,631,969.40x = 57,947,954.10 × 11,702,126.20
  4. Step 4: Simplify right side
    38,631,969.40x = 678,114,271,910,007.38
  5. Step 5: Solve for x
    x = 678,114,271,910,007.38/38,631,969.40
  6. Step 6: Final answer
    x = 17,553,189.30

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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.