Finding the Fourth Proportional to 18,091,988.84, 27,115,749.91 and 8,363,442.34
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Solution
The fourth proportional to 18,091,988.84, 27,115,749.91 and 8,363,442.34 is: 12,534,885.62
Step by Step Solution
- Step 1: Write the proportion equation
18,091,988.84 : 27,115,749.91 = 8,363,442.34 : x - Step 2: Convert to fraction form
18,091,988.84/27,115,749.91 = 8,363,442.34/x - Step 3: Cross multiply
18,091,988.84x = 27,115,749.91 × 8,363,442.34 - Step 4: Simplify right side
18,091,988.84x = 226,781,010,742,566.44 - Step 5: Solve for x
x = 226,781,010,742,566.44/18,091,988.84 - Step 6: Final answer
x = 12,534,885.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.