Home / 28,082,760.90-42,040,160.55-26,421,807.30

Finding the Fourth Proportional to 28,082,760.90, 42,040,160.55 and 26,421,807.30

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Solution

The fourth proportional to 28,082,760.90, 42,040,160.55 and 26,421,807.30 is: 39,553,697.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,760.90 : 42,040,160.55 = 26,421,807.30 : x
  2. Step 2: Convert to fraction form
    28,082,760.90/42,040,160.55 = 26,421,807.30/x
  3. Step 3: Cross multiply
    28,082,760.90x = 42,040,160.55 × 26,421,807.30
  4. Step 4: Simplify right side
    28,082,760.90x = 1,110,777,020,913,162
  5. Step 5: Solve for x
    x = 1,110,777,020,913,162/28,082,760.90
  6. Step 6: Final answer
    x = 39,553,697.19

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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.