Finding the Fourth Proportional to 12,240,702.44, 18,360,389.20 and 3,720,374.61
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Solution
The fourth proportional to 12,240,702.44, 18,360,389.20 and 3,720,374.61 is: 5,580,359.96
Step by Step Solution
- Step 1: Write the proportion equation
12,240,702.44 : 18,360,389.20 = 3,720,374.61 : x - Step 2: Convert to fraction form
12,240,702.44/18,360,389.20 = 3,720,374.61/x - Step 3: Cross multiply
12,240,702.44x = 18,360,389.20 × 3,720,374.61 - Step 4: Simplify right side
12,240,702.44x = 68,307,525,809,398.20 - Step 5: Solve for x
x = 68,307,525,809,398.20/12,240,702.44 - Step 6: Final answer
x = 5,580,359.96
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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.