Home / 21,753,492.63-30,020,020.89-11,830,469.67

Finding the Fourth Proportional to 21,753,492.63, 30,020,020.89 and 11,830,469.67

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Solution

The fourth proportional to 21,753,492.63, 30,020,020.89 and 11,830,469.67 is: 16,326,157.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,753,492.63 : 30,020,020.89 = 11,830,469.67 : x
  2. Step 2: Convert to fraction form
    21,753,492.63/30,020,020.89 = 11,830,469.67/x
  3. Step 3: Cross multiply
    21,753,492.63x = 30,020,020.89 × 11,830,469.67
  4. Step 4: Simplify right side
    21,753,492.63x = 355,150,946,631,911.44
  5. Step 5: Solve for x
    x = 355,150,946,631,911.44/21,753,492.63
  6. Step 6: Final answer
    x = 16,326,157.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.