Finding the Fourth Proportional to 39,841,328.62, 54,979,581.95 and 22,199,319.64
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Solution
The fourth proportional to 39,841,328.62, 54,979,581.95 and 22,199,319.64 is: 30,634,252.31
Step by Step Solution
- Step 1: Write the proportion equation
39,841,328.62 : 54,979,581.95 = 22,199,319.64 : x - Step 2: Convert to fraction form
39,841,328.62/54,979,581.95 = 22,199,319.64/x - Step 3: Cross multiply
39,841,328.62x = 54,979,581.95 × 22,199,319.64 - Step 4: Simplify right side
39,841,328.62x = 1,220,509,313,422,599.75 - Step 5: Solve for x
x = 1,220,509,313,422,599.75/39,841,328.62 - Step 6: Final answer
x = 30,634,252.31
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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.