Finding the Fourth Proportional to 26,649,016.56, 36,775,896.42 and 15,635,953.65
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Solution
The fourth proportional to 26,649,016.56, 36,775,896.42 and 15,635,953.65 is: 21,577,764.81
Step by Step Solution
- Step 1: Write the proportion equation
26,649,016.56 : 36,775,896.42 = 15,635,953.65 : x - Step 2: Convert to fraction form
26,649,016.56/36,775,896.42 = 15,635,953.65/x - Step 3: Cross multiply
26,649,016.56x = 36,775,896.42 × 15,635,953.65 - Step 4: Simplify right side
26,649,016.56x = 575,026,211,860,321 - Step 5: Solve for x
x = 575,026,211,860,321/26,649,016.56 - Step 6: Final answer
x = 21,577,764.81
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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.