Finding the Fourth Proportional to 18,257,070.13, 27,390,724.99 and 7,334,929.43
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Solution
The fourth proportional to 18,257,070.13, 27,390,724.99 and 7,334,929.43 is: 11,004,451.07
Step by Step Solution
- Step 1: Write the proportion equation
18,257,070.13 : 27,390,724.99 = 7,334,929.43 : x - Step 2: Convert to fraction form
18,257,070.13/27,390,724.99 = 7,334,929.43/x - Step 3: Cross multiply
18,257,070.13x = 27,390,724.99 × 7,334,929.43 - Step 4: Simplify right side
18,257,070.13x = 200,909,034,838,187.44 - Step 5: Solve for x
x = 200,909,034,838,187.44/18,257,070.13 - Step 6: Final answer
x = 11,004,451.07
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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.