Finding the Fourth Proportional to 16,345,506.70, 22,556,799.12 and 9,473,974.54
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Solution
The fourth proportional to 16,345,506.70, 22,556,799.12 and 9,473,974.54 is: 13,074,084.79
Step by Step Solution
- Step 1: Write the proportion equation
16,345,506.70 : 22,556,799.12 = 9,473,974.54 : x - Step 2: Convert to fraction form
16,345,506.70/22,556,799.12 = 9,473,974.54/x - Step 3: Cross multiply
16,345,506.70x = 22,556,799.12 × 9,473,974.54 - Step 4: Simplify right side
16,345,506.70x = 213,702,540,566,774.41 - Step 5: Solve for x
x = 213,702,540,566,774.41/16,345,506.70 - Step 6: Final answer
x = 13,074,084.79
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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.