Home / 10,012,112.20-15,018,168.30-4,328,374.60

Finding the Fourth Proportional to 10,012,112.20, 15,018,168.30 and 4,328,374.60

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Solution

The fourth proportional to 10,012,112.20, 15,018,168.30 and 4,328,374.60 is: 6,492,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012,112.20 : 15,018,168.30 = 4,328,374.60 : x
  2. Step 2: Convert to fraction form
    10,012,112.20/15,018,168.30 = 4,328,374.60/x
  3. Step 3: Cross multiply
    10,012,112.20x = 15,018,168.30 × 4,328,374.60
  4. Step 4: Simplify right side
    10,012,112.20x = 65,004,258,208,245.18
  5. Step 5: Solve for x
    x = 65,004,258,208,245.18/10,012,112.20
  6. Step 6: Final answer
    x = 6,492,561.90

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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.