Finding the Fourth Proportional to 12,830,872.14, 19,246,332.98 and 3,115,444.17
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Solution
The fourth proportional to 12,830,872.14, 19,246,332.98 and 3,115,444.17 is: 4,673,172.27
Step by Step Solution
- Step 1: Write the proportion equation
12,830,872.14 : 19,246,332.98 = 3,115,444.17 : x - Step 2: Convert to fraction form
12,830,872.14/19,246,332.98 = 3,115,444.17/x - Step 3: Cross multiply
12,830,872.14x = 19,246,332.98 × 3,115,444.17 - Step 4: Simplify right side
12,830,872.14x = 59,960,875,860,842.51 - Step 5: Solve for x
x = 59,960,875,860,842.51/12,830,872.14 - Step 6: Final answer
x = 4,673,172.27
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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.