Finding the Fourth Proportional to 15,261,319.49, 21,060,616.06 and 8,386,244.42
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Solution
The fourth proportional to 15,261,319.49, 21,060,616.06 and 8,386,244.42 is: 11,573,014.64
Step by Step Solution
- Step 1: Write the proportion equation
15,261,319.49 : 21,060,616.06 = 8,386,244.42 : x - Step 2: Convert to fraction form
15,261,319.49/21,060,616.06 = 8,386,244.42/x - Step 3: Cross multiply
15,261,319.49x = 21,060,616.06 × 8,386,244.42 - Step 4: Simplify right side
15,261,319.49x = 176,619,473,899,094.44 - Step 5: Solve for x
x = 176,619,473,899,094.44/15,261,319.49 - Step 6: Final answer
x = 11,573,014.64
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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.