Home / 21,263,223.60-31,910,581.80-8,492,893.20

Finding the Fourth Proportional to 21,263,223.60, 31,910,581.80 and 8,492,893.20

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Solution

The fourth proportional to 21,263,223.60, 31,910,581.80 and 8,492,893.20 is: 12,745,629.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,263,223.60 : 31,910,581.80 = 8,492,893.20 : x
  2. Step 2: Convert to fraction form
    21,263,223.60/31,910,581.80 = 8,492,893.20/x
  3. Step 3: Cross multiply
    21,263,223.60x = 31,910,581.80 × 8,492,893.20
  4. Step 4: Simplify right side
    21,263,223.60x = 271,013,163,177,263.75
  5. Step 5: Solve for x
    x = 271,013,163,177,263.75/21,263,223.60
  6. Step 6: Final answer
    x = 12,745,629.18

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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.