Home / 28,082,790.90-42,128,851.95-11,044,019.70

Finding the Fourth Proportional to 28,082,790.90, 42,128,851.95 and 11,044,019.70

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Solution

The fourth proportional to 28,082,790.90, 42,128,851.95 and 11,044,019.70 is: 16,567,864.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,790.90 : 42,128,851.95 = 11,044,019.70 : x
  2. Step 2: Convert to fraction form
    28,082,790.90/42,128,851.95 = 11,044,019.70/x
  3. Step 3: Cross multiply
    28,082,790.90x = 42,128,851.95 × 11,044,019.70
  4. Step 4: Simplify right side
    28,082,790.90x = 465,271,870,874,183.44
  5. Step 5: Solve for x
    x = 465,271,870,874,183.44/28,082,790.90
  6. Step 6: Final answer
    x = 16,567,864.37

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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.