Finding the Fourth Proportional to 11,346,769.41, 15,658,231.82 and 6,190,129.59
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Solution
The fourth proportional to 11,346,769.41, 15,658,231.82 and 6,190,129.59 is: 8,542,209.73
Step by Step Solution
- Step 1: Write the proportion equation
11,346,769.41 : 15,658,231.82 = 6,190,129.59 : x - Step 2: Convert to fraction form
11,346,769.41/15,658,231.82 = 6,190,129.59/x - Step 3: Cross multiply
11,346,769.41x = 15,658,231.82 × 6,190,129.59 - Step 4: Simplify right side
11,346,769.41x = 96,926,484,085,110.91 - Step 5: Solve for x
x = 96,926,484,085,110.91/11,346,769.41 - Step 6: Final answer
x = 8,542,209.73
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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.