Finding the Fourth Proportional to 20,421,125,269.08, 28,181,152,925.57 and 11,033,751,445.09
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Solution
The fourth proportional to 20,421,125,269.08, 28,181,152,925.57 and 11,033,751,445.09 is: 15,226,577,023.53
Step by Step Solution
- Step 1: Write the proportion equation
20,421,125,269.08 : 28,181,152,925.57 = 11,033,751,445.09 : x - Step 2: Convert to fraction form
20,421,125,269.08/28,181,152,925.57 = 11,033,751,445.09/x - Step 3: Cross multiply
20,421,125,269.08x = 28,181,152,925.57 × 11,033,751,445.09 - Step 4: Simplify right side
20,421,125,269.08x = 310,943,836,816,810,246,144 - Step 5: Solve for x
x = 310,943,836,816,810,246,144/20,421,125,269.08 - Step 6: Final answer
x = 15,226,577,023.53
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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.