Home / 14,558,618.50-20,090,893.53-8,120,090.50

Finding the Fourth Proportional to 14,558,618.50, 20,090,893.53 and 8,120,090.50

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Solution

The fourth proportional to 14,558,618.50, 20,090,893.53 and 8,120,090.50 is: 11,205,724.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,558,618.50 : 20,090,893.53 = 8,120,090.50 : x
  2. Step 2: Convert to fraction form
    14,558,618.50/20,090,893.53 = 8,120,090.50/x
  3. Step 3: Cross multiply
    14,558,618.50x = 20,090,893.53 × 8,120,090.50
  4. Step 4: Simplify right side
    14,558,618.50x = 163,139,873,689,464.47
  5. Step 5: Solve for x
    x = 163,139,873,689,464.47/14,558,618.50
  6. Step 6: Final answer
    x = 11,205,724.89

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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.