Finding the Fourth Proportional to 19,484,279.53, 26,888,358.05 and 10,783,052.17
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Solution
The fourth proportional to 19,484,279.53, 26,888,358.05 and 10,783,052.17 is: 14,880,640.94
Step by Step Solution
- Step 1: Write the proportion equation
19,484,279.53 : 26,888,358.05 = 10,783,052.17 : x - Step 2: Convert to fraction form
19,484,279.53/26,888,358.05 = 10,783,052.17/x - Step 3: Cross multiply
19,484,279.53x = 26,888,358.05 × 10,783,052.17 - Step 4: Simplify right side
19,484,279.53x = 289,938,567,618,789.50 - Step 5: Solve for x
x = 289,938,567,618,789.50/19,484,279.53 - Step 6: Final answer
x = 14,880,640.94
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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.