Finding the Fourth Proportional to 13,283,702.48, 19,908,445.84 and 6,447,045.18
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Solution
The fourth proportional to 13,283,702.48, 19,908,445.84 and 6,447,045.18 is: 9,662,264.72
Step by Step Solution
- Step 1: Write the proportion equation
13,283,702.48 : 19,908,445.84 = 6,447,045.18 : x - Step 2: Convert to fraction form
13,283,702.48/19,908,445.84 = 6,447,045.18/x - Step 3: Cross multiply
13,283,702.48x = 19,908,445.84 × 6,447,045.18 - Step 4: Simplify right side
13,283,702.48x = 128,350,649,794,063.05 - Step 5: Solve for x
x = 128,350,649,794,063.05/13,283,702.48 - Step 6: Final answer
x = 9,662,264.72
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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.