Home / 28,082,821.80-42,124,232.70-23,547,858.60

Finding the Fourth Proportional to 28,082,821.80, 42,124,232.70 and 23,547,858.60

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Solution

The fourth proportional to 28,082,821.80, 42,124,232.70 and 23,547,858.60 is: 35,321,787.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,821.80 : 42,124,232.70 = 23,547,858.60 : x
  2. Step 2: Convert to fraction form
    28,082,821.80/42,124,232.70 = 23,547,858.60/x
  3. Step 3: Cross multiply
    28,082,821.80x = 42,124,232.70 × 23,547,858.60
  4. Step 4: Simplify right side
    28,082,821.80x = 991,935,475,253,096.38
  5. Step 5: Solve for x
    x = 991,935,475,253,096.38/28,082,821.80
  6. Step 6: Final answer
    x = 35,321,787.90

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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.