Home / 13,180,300.30-19,770,450.45-8,078,466.70

Finding the Fourth Proportional to 13,180,300.30, 19,770,450.45 and 8,078,466.70

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Solution

The fourth proportional to 13,180,300.30, 19,770,450.45 and 8,078,466.70 is: 12,117,700.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180,300.30 : 19,770,450.45 = 8,078,466.70 : x
  2. Step 2: Convert to fraction form
    13,180,300.30/19,770,450.45 = 8,078,466.70/x
  3. Step 3: Cross multiply
    13,180,300.30x = 19,770,450.45 × 8,078,466.70
  4. Step 4: Simplify right side
    13,180,300.30x = 159,714,925,604,325
  5. Step 5: Solve for x
    x = 159,714,925,604,325/13,180,300.30
  6. Step 6: Final answer
    x = 12,117,700.05

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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.