Finding the Fourth Proportional to 39,579,776.64, 54,619,138.80 and 22,176,855.36
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Solution
The fourth proportional to 39,579,776.64, 54,619,138.80 and 22,176,855.36 is: 30,603,526.44
Step by Step Solution
- Step 1: Write the proportion equation
39,579,776.64 : 54,619,138.80 = 22,176,855.36 : x - Step 2: Convert to fraction form
39,579,776.64/54,619,138.80 = 22,176,855.36/x - Step 3: Cross multiply
39,579,776.64x = 54,619,138.80 × 22,176,855.36 - Step 4: Simplify right side
39,579,776.64x = 1,211,280,741,055,363.75 - Step 5: Solve for x
x = 1,211,280,741,055,363.75/39,579,776.64 - Step 6: Final answer
x = 30,603,526.44
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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.