Finding the Fourth Proportional to 21,596,102.55, 32,358,279.74 and 15,192,901.89
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Solution
The fourth proportional to 21,596,102.55, 32,358,279.74 and 15,192,901.89 is: 22,764,115.34
Step by Step Solution
- Step 1: Write the proportion equation
21,596,102.55 : 32,358,279.74 = 15,192,901.89 : x - Step 2: Convert to fraction form
21,596,102.55/32,358,279.74 = 15,192,901.89/x - Step 3: Cross multiply
21,596,102.55x = 32,358,279.74 × 15,192,901.89 - Step 4: Simplify right side
21,596,102.55x = 491,616,169,343,030.19 - Step 5: Solve for x
x = 491,616,169,343,030.19/21,596,102.55 - Step 6: Final answer
x = 22,764,115.34
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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.