Finding the Fourth Proportional to 18,513,158.00, 27,787,648.52 and 8,935,278.98
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Solution
The fourth proportional to 18,513,158.00, 27,787,648.52 and 8,935,278.98 is: 13,411,563.37
Step by Step Solution
- Step 1: Write the proportion equation
18,513,158.00 : 27,787,648.52 = 8,935,278.98 : x - Step 2: Convert to fraction form
18,513,158.00/27,787,648.52 = 8,935,278.98/x - Step 3: Cross multiply
18,513,158.00x = 27,787,648.52 × 8,935,278.98 - Step 4: Simplify right side
18,513,158.00x = 248,290,391,607,784.06 - Step 5: Solve for x
x = 248,290,391,607,784.06/18,513,158.00 - Step 6: Final answer
x = 13,411,563.37
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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.