Finding the Fourth Proportional to 28,169,599.84, 38,858,160.72 and 16,407,481.84
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Solution
The fourth proportional to 28,169,599.84, 38,858,160.72 and 16,407,481.84 is: 22,633,071.47
Step by Step Solution
- Step 1: Write the proportion equation
28,169,599.84 : 38,858,160.72 = 16,407,481.84 : x - Step 2: Convert to fraction form
28,169,599.84/38,858,160.72 = 16,407,481.84/x - Step 3: Cross multiply
28,169,599.84x = 38,858,160.72 × 16,407,481.84 - Step 4: Simplify right side
28,169,599.84x = 637,564,566,349,201.25 - Step 5: Solve for x
x = 637,564,566,349,201.25/28,169,599.84 - Step 6: Final answer
x = 22,633,071.47
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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.