Finding the Fourth Proportional to 39,163,893.82, 58,725,566.64 and 17,579,909.68
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Solution
The fourth proportional to 39,163,893.82, 58,725,566.64 and 17,579,909.68 is: 26,360,763.88
Step by Step Solution
- Step 1: Write the proportion equation
39,163,893.82 : 58,725,566.64 = 17,579,909.68 : x - Step 2: Convert to fraction form
39,163,893.82/58,725,566.64 = 17,579,909.68/x - Step 3: Cross multiply
39,163,893.82x = 58,725,566.64 × 17,579,909.68 - Step 4: Simplify right side
39,163,893.82x = 1,032,390,157,438,021.12 - Step 5: Solve for x
x = 1,032,390,157,438,021.12/39,163,893.82 - Step 6: Final answer
x = 26,360,763.88
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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.