Home / 9,648,765.74-13,315,487.16-5,297,813.98

Finding the Fourth Proportional to 9,648,765.74, 13,315,487.16 and 5,297,813.98

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Solution

The fourth proportional to 9,648,765.74, 13,315,487.16 and 5,297,813.98 is: 7,311,087.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,648,765.74 : 13,315,487.16 = 5,297,813.98 : x
  2. Step 2: Convert to fraction form
    9,648,765.74/13,315,487.16 = 5,297,813.98/x
  3. Step 3: Cross multiply
    9,648,765.74x = 13,315,487.16 × 5,297,813.98
  4. Step 4: Simplify right side
    9,648,765.74x = 70,542,974,026,758.50
  5. Step 5: Solve for x
    x = 70,542,974,026,758.50/9,648,765.74
  6. Step 6: Final answer
    x = 7,311,087.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.