Finding the Fourth Proportional to 21,854,631.84, 30,161,444.22 and 16,338,454.08
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Solution
The fourth proportional to 21,854,631.84, 30,161,444.22 and 16,338,454.08 is: 22,548,600.91
Step by Step Solution
- Step 1: Write the proportion equation
21,854,631.84 : 30,161,444.22 = 16,338,454.08 : x - Step 2: Convert to fraction form
21,854,631.84/30,161,444.22 = 16,338,454.08/x - Step 3: Cross multiply
21,854,631.84x = 30,161,444.22 × 16,338,454.08 - Step 4: Simplify right side
21,854,631.84x = 492,791,371,374,951.38 - Step 5: Solve for x
x = 492,791,371,374,951.38/21,854,631.84 - Step 6: Final answer
x = 22,548,600.91
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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.