Finding the Fourth Proportional to 26,293,559.48, 39,619,811.91 and 21,606,249.86
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Solution
The fourth proportional to 26,293,559.48, 39,619,811.91 and 21,606,249.86 is: 32,556,853.18
Step by Step Solution
- Step 1: Write the proportion equation
26,293,559.48 : 39,619,811.91 = 21,606,249.86 : x - Step 2: Convert to fraction form
26,293,559.48/39,619,811.91 = 21,606,249.86/x - Step 3: Cross multiply
26,293,559.48x = 39,619,811.91 × 21,606,249.86 - Step 4: Simplify right side
26,293,559.48x = 856,035,555,335,564.75 - Step 5: Solve for x
x = 856,035,555,335,564.75/26,293,559.48 - Step 6: Final answer
x = 32,556,853.18
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.