Finding the Fourth Proportional to 14,344,230.20, 19,794,460.25 and 7,817,719.19
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Solution
The fourth proportional to 14,344,230.20, 19,794,460.25 and 7,817,719.19 is: 10,788,137.78
Step by Step Solution
- Step 1: Write the proportion equation
14,344,230.20 : 19,794,460.25 = 7,817,719.19 : x - Step 2: Convert to fraction form
14,344,230.20/19,794,460.25 = 7,817,719.19/x - Step 3: Cross multiply
14,344,230.20x = 19,794,460.25 × 7,817,719.19 - Step 4: Simplify right side
14,344,230.20x = 154,747,531,672,689.19 - Step 5: Solve for x
x = 154,747,531,672,689.19/14,344,230.20 - Step 6: Final answer
x = 10,788,137.78
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1.5x scale
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.