Home / 8,537,085.90-12,789,040.05-4,743,780.30

Finding the Fourth Proportional to 8,537,085.90, 12,789,040.05 and 4,743,780.30

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Solution

The fourth proportional to 8,537,085.90, 12,789,040.05 and 4,743,780.30 is: 7,106,452.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,537,085.90 : 12,789,040.05 = 4,743,780.30 : x
  2. Step 2: Convert to fraction form
    8,537,085.90/12,789,040.05 = 4,743,780.30/x
  3. Step 3: Cross multiply
    8,537,085.90x = 12,789,040.05 × 4,743,780.30
  4. Step 4: Simplify right side
    8,537,085.90x = 60,668,396,245,101.02
  5. Step 5: Solve for x
    x = 60,668,396,245,101.02/8,537,085.90
  6. Step 6: Final answer
    x = 7,106,452.59

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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.