Home / 14,618,054.48-20,172,670.71-8,091,543.92

Finding the Fourth Proportional to 14,618,054.48, 20,172,670.71 and 8,091,543.92

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Solution

The fourth proportional to 14,618,054.48, 20,172,670.71 and 8,091,543.92 is: 11,166,195.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618,054.48 : 20,172,670.71 = 8,091,543.92 : x
  2. Step 2: Convert to fraction form
    14,618,054.48/20,172,670.71 = 8,091,543.92/x
  3. Step 3: Cross multiply
    14,618,054.48x = 20,172,670.71 × 8,091,543.92
  4. Step 4: Simplify right side
    14,618,054.48x = 163,228,051,033,662.59
  5. Step 5: Solve for x
    x = 163,228,051,033,662.59/14,618,054.48
  6. Step 6: Final answer
    x = 11,166,195.29

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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.