Finding the Fourth Proportional to 12,240,702.94, 18,360,389.95 and 3,720,375.11
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Solution
The fourth proportional to 12,240,702.94, 18,360,389.95 and 3,720,375.11 is: 5,580,360.71
Step by Step Solution
- Step 1: Write the proportion equation
12,240,702.94 : 18,360,389.95 = 3,720,375.11 : x - Step 2: Convert to fraction form
12,240,702.94/18,360,389.95 = 3,720,375.11/x - Step 3: Cross multiply
12,240,702.94x = 18,360,389.95 × 3,720,375.11 - Step 4: Simplify right side
12,240,702.94x = 68,307,537,779,874.14 - Step 5: Solve for x
x = 68,307,537,779,874.14/12,240,702.94 - Step 6: Final answer
x = 5,580,360.71
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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.