Finding the Fourth Proportional to 15,662,128.80, 23,474,530.80 and 6,564,208.80
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Solution
The fourth proportional to 15,662,128.80, 23,474,530.80 and 6,564,208.80 is: 9,838,491.54
Step by Step Solution
- Step 1: Write the proportion equation
15,662,128.80 : 23,474,530.80 = 6,564,208.80 : x - Step 2: Convert to fraction form
15,662,128.80/23,474,530.80 = 6,564,208.80/x - Step 3: Cross multiply
15,662,128.80x = 23,474,530.80 × 6,564,208.80 - Step 4: Simplify right side
15,662,128.80x = 154,091,721,653,231.03 - Step 5: Solve for x
x = 154,091,721,653,231.03/15,662,128.80 - Step 6: Final answer
x = 9,838,491.54
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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.