Finding the Fourth Proportional to 19,894,460.67, 29,841,689.34 and 5,517,528.21
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Solution
The fourth proportional to 19,894,460.67, 29,841,689.34 and 5,517,528.21 is: 8,276,291.85
Step by Step Solution
- Step 1: Write the proportion equation
19,894,460.67 : 29,841,689.34 = 5,517,528.21 : x - Step 2: Convert to fraction form
19,894,460.67/29,841,689.34 = 5,517,528.21/x - Step 3: Cross multiply
19,894,460.67x = 29,841,689.34 × 5,517,528.21 - Step 4: Simplify right side
19,894,460.67x = 164,652,362,767,506.28 - Step 5: Solve for x
x = 164,652,362,767,506.28/19,894,460.67 - Step 6: Final answer
x = 8,276,291.85
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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.