Finding the Fourth Proportional to 19,852,891.80, 29,772,642.79 and 7,553,935.42
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Solution
The fourth proportional to 19,852,891.80, 29,772,642.79 and 7,553,935.42 is: 11,328,355.75
Step by Step Solution
- Step 1: Write the proportion equation
19,852,891.80 : 29,772,642.79 = 7,553,935.42 : x - Step 2: Convert to fraction form
19,852,891.80/29,772,642.79 = 7,553,935.42/x - Step 3: Cross multiply
19,852,891.80x = 29,772,642.79 × 7,553,935.42 - Step 4: Simplify right side
19,852,891.80x = 224,900,620,918,388.62 - Step 5: Solve for x
x = 224,900,620,918,388.62/19,852,891.80 - Step 6: Final answer
x = 11,328,355.75
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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.