Finding the Fourth Proportional to 26,724,706.84, 36,880,912.74 and 15,709,435.84
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Solution
The fourth proportional to 26,724,706.84, 36,880,912.74 and 15,709,435.84 is: 21,679,501.89
Step by Step Solution
- Step 1: Write the proportion equation
26,724,706.84 : 36,880,912.74 = 15,709,435.84 : x - Step 2: Convert to fraction form
26,724,706.84/36,880,912.74 = 15,709,435.84/x - Step 3: Cross multiply
26,724,706.84x = 36,880,912.74 × 15,709,435.84 - Step 4: Simplify right side
26,724,706.84x = 579,378,332,409,668.62 - Step 5: Solve for x
x = 579,378,332,409,668.62/26,724,706.84 - Step 6: Final answer
x = 21,679,501.89
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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.