Home / 10,012,234.80-15,018,352.20-3,280,648.80

Finding the Fourth Proportional to 10,012,234.80, 15,018,352.20 and 3,280,648.80

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Solution

The fourth proportional to 10,012,234.80, 15,018,352.20 and 3,280,648.80 is: 4,920,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012,234.80 : 15,018,352.20 = 3,280,648.80 : x
  2. Step 2: Convert to fraction form
    10,012,234.80/15,018,352.20 = 3,280,648.80/x
  3. Step 3: Cross multiply
    10,012,234.80x = 15,018,352.20 × 3,280,648.80
  4. Step 4: Simplify right side
    10,012,234.80x = 49,269,939,122,907.35
  5. Step 5: Solve for x
    x = 49,269,939,122,907.35/10,012,234.80
  6. Step 6: Final answer
    x = 4,920,973.20

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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.