Finding the Fourth Proportional to 25,774,604.73, 38,636,369.55 and 12,103,278.09
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Solution
The fourth proportional to 25,774,604.73, 38,636,369.55 and 12,103,278.09 is: 18,142,925.17
Step by Step Solution
- Step 1: Write the proportion equation
25,774,604.73 : 38,636,369.55 = 12,103,278.09 : x - Step 2: Convert to fraction form
25,774,604.73/38,636,369.55 = 12,103,278.09/x - Step 3: Cross multiply
25,774,604.73x = 38,636,369.55 × 12,103,278.09 - Step 4: Simplify right side
25,774,604.73x = 467,626,724,858,476.31 - Step 5: Solve for x
x = 467,626,724,858,476.31/25,774,604.73 - Step 6: Final answer
x = 18,142,925.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.