Home / 20,629,543.77-30,945,343.50-7,851,038.85

Finding the Fourth Proportional to 20,629,543.77, 30,945,343.50 and 7,851,038.85

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Solution

The fourth proportional to 20,629,543.77, 30,945,343.50 and 7,851,038.85 is: 11,776,949.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,629,543.77 : 30,945,343.50 = 7,851,038.85 : x
  2. Step 2: Convert to fraction form
    20,629,543.77/30,945,343.50 = 7,851,038.85/x
  3. Step 3: Cross multiply
    20,629,543.77x = 30,945,343.50 × 7,851,038.85
  4. Step 4: Simplify right side
    20,629,543.77x = 242,953,094,045,094.97
  5. Step 5: Solve for x
    x = 242,953,094,045,094.97/20,629,543.77
  6. Step 6: Final answer
    x = 11,776,949.44

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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.