Finding the Fourth Proportional to 15,283,296.16, 21,091,122.84 and 8,756,794.60
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Solution
The fourth proportional to 15,283,296.16, 21,091,122.84 and 8,756,794.60 is: 12,084,476.32
Step by Step Solution
- Step 1: Write the proportion equation
15,283,296.16 : 21,091,122.84 = 8,756,794.60 : x - Step 2: Convert to fraction form
15,283,296.16/21,091,122.84 = 8,756,794.60/x - Step 3: Cross multiply
15,283,296.16x = 21,091,122.84 × 8,756,794.60 - Step 4: Simplify right side
15,283,296.16x = 184,690,630,593,248.66 - Step 5: Solve for x
x = 184,690,630,593,248.66/15,283,296.16 - Step 6: Final answer
x = 12,084,476.32
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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.