Home / 14,156,723.80-21,219,339.30-7,771,558.60

Finding the Fourth Proportional to 14,156,723.80, 21,219,339.30 and 7,771,558.60

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Solution

The fourth proportional to 14,156,723.80, 21,219,339.30 and 7,771,558.60 is: 11,648,693.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156,723.80 : 21,219,339.30 = 7,771,558.60 : x
  2. Step 2: Convert to fraction form
    14,156,723.80/21,219,339.30 = 7,771,558.60/x
  3. Step 3: Cross multiply
    14,156,723.80x = 21,219,339.30 × 7,771,558.60
  4. Step 4: Simplify right side
    14,156,723.80x = 164,907,338,823,232.97
  5. Step 5: Solve for x
    x = 164,907,338,823,232.97/14,156,723.80
  6. Step 6: Final answer
    x = 11,648,693.66

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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.