Finding the Fourth Proportional to 28,186,554.13, 38,896,783.12 and 16,584,869.05
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Solution
The fourth proportional to 28,186,554.13, 38,896,783.12 and 16,584,869.05 is: 22,886,730.02
Step by Step Solution
- Step 1: Write the proportion equation
28,186,554.13 : 38,896,783.12 = 16,584,869.05 : x - Step 2: Convert to fraction form
28,186,554.13/38,896,783.12 = 16,584,869.05/x - Step 3: Cross multiply
28,186,554.13x = 38,896,783.12 × 16,584,869.05 - Step 4: Simplify right side
28,186,554.13x = 645,098,054,511,450.38 - Step 5: Solve for x
x = 645,098,054,511,450.38/28,186,554.13 - Step 6: Final answer
x = 22,886,730.02
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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.