Home / 21,856,790.40-32,786,776.80-8,393,618.40

Finding the Fourth Proportional to 21,856,790.40, 32,786,776.80 and 8,393,618.40

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Solution

The fourth proportional to 21,856,790.40, 32,786,776.80 and 8,393,618.40 is: 12,591,038.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,856,790.40 : 32,786,776.80 = 8,393,618.40 : x
  2. Step 2: Convert to fraction form
    21,856,790.40/32,786,776.80 = 8,393,618.40/x
  3. Step 3: Cross multiply
    21,856,790.40x = 32,786,776.80 × 8,393,618.40
  4. Step 4: Simplify right side
    21,856,790.40x = 275,199,693,025,173.12
  5. Step 5: Solve for x
    x = 275,199,693,025,173.12/21,856,790.40
  6. Step 6: Final answer
    x = 12,591,038.67

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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.