Home / 8,201,271.85-12,301,907.78-5,012,625.85

Finding the Fourth Proportional to 8,201,271.85, 12,301,907.78 and 5,012,625.85

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Solution

The fourth proportional to 8,201,271.85, 12,301,907.78 and 5,012,625.85 is: 7,518,938.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201,271.85 : 12,301,907.78 = 5,012,625.85 : x
  2. Step 2: Convert to fraction form
    8,201,271.85/12,301,907.78 = 5,012,625.85/x
  3. Step 3: Cross multiply
    8,201,271.85x = 12,301,907.78 × 5,012,625.85
  4. Step 4: Simplify right side
    8,201,271.85x = 61,664,860,917,280.98
  5. Step 5: Solve for x
    x = 61,664,860,917,280.98/8,201,271.85
  6. Step 6: Final answer
    x = 7,518,938.78

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Similar ratio
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1.5x scale

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.