Finding the Fourth Proportional to 26,342,921.91, 39,514,161.19 and 20,590,494.08
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Solution
The fourth proportional to 26,342,921.91, 39,514,161.19 and 20,590,494.08 is: 30,885,567.85
Step by Step Solution
- Step 1: Write the proportion equation
26,342,921.91 : 39,514,161.19 = 20,590,494.08 : x - Step 2: Convert to fraction form
26,342,921.91/39,514,161.19 = 20,590,494.08/x - Step 3: Cross multiply
26,342,921.91x = 39,514,161.19 × 20,590,494.08 - Step 4: Simplify right side
26,342,921.91x = 813,616,101,908,599.12 - Step 5: Solve for x
x = 813,616,101,908,599.12/26,342,921.91 - Step 6: Final answer
x = 30,885,567.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.