Finding the Fourth Proportional to 20,006,277.60, 27,608,690.16 and 10,838,920.08
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Solution
The fourth proportional to 20,006,277.60, 27,608,690.16 and 10,838,920.08 is: 14,957,724.38
Step by Step Solution
- Step 1: Write the proportion equation
20,006,277.60 : 27,608,690.16 = 10,838,920.08 : x - Step 2: Convert to fraction form
20,006,277.60/27,608,690.16 = 10,838,920.08/x - Step 3: Cross multiply
20,006,277.60x = 27,608,690.16 × 10,838,920.08 - Step 4: Simplify right side
20,006,277.60x = 299,248,386,157,722.44 - Step 5: Solve for x
x = 299,248,386,157,722.44/20,006,277.60 - Step 6: Final answer
x = 14,957,724.38
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1.5x scale
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.