Finding the Fourth Proportional to 15,436,741.35, 21,304,011.39 and 8,563,437.75
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Solution
The fourth proportional to 15,436,741.35, 21,304,011.39 and 8,563,437.75 is: 11,818,269.88
Step by Step Solution
- Step 1: Write the proportion equation
15,436,741.35 : 21,304,011.39 = 8,563,437.75 : x - Step 2: Convert to fraction form
15,436,741.35/21,304,011.39 = 8,563,437.75/x - Step 3: Cross multiply
15,436,741.35x = 21,304,011.39 × 8,563,437.75 - Step 4: Simplify right side
15,436,741.35x = 182,435,575,363,555.97 - Step 5: Solve for x
x = 182,435,575,363,555.97/15,436,741.35 - Step 6: Final answer
x = 11,818,269.88
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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.