Finding the Fourth Proportional to 18,536,610.90, 27,804,916.35 and 12,474,246.90
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Solution
The fourth proportional to 18,536,610.90, 27,804,916.35 and 12,474,246.90 is: 18,711,370.35
Step by Step Solution
- Step 1: Write the proportion equation
18,536,610.90 : 27,804,916.35 = 12,474,246.90 : x - Step 2: Convert to fraction form
18,536,610.90/27,804,916.35 = 12,474,246.90/x - Step 3: Cross multiply
18,536,610.90x = 27,804,916.35 × 12,474,246.90 - Step 4: Simplify right side
18,536,610.90x = 346,845,391,583,746.88 - Step 5: Solve for x
x = 346,845,391,583,746.88/18,536,610.90 - Step 6: Final answer
x = 18,711,370.35
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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.