Finding the Fourth Proportional to 18,490,387.19, 27,739,363.48 and 6,358,274.42
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Solution
The fourth proportional to 18,490,387.19, 27,739,363.48 and 6,358,274.42 is: 9,538,712.38
Step by Step Solution
- Step 1: Write the proportion equation
18,490,387.19 : 27,739,363.48 = 6,358,274.42 : x - Step 2: Convert to fraction form
18,490,387.19/27,739,363.48 = 6,358,274.42/x - Step 3: Cross multiply
18,490,387.19x = 27,739,363.48 × 6,358,274.42 - Step 4: Simplify right side
18,490,387.19x = 176,374,485,087,373.69 - Step 5: Solve for x
x = 176,374,485,087,373.69/18,490,387.19 - Step 6: Final answer
x = 9,538,712.38
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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.