Finding the Fourth Proportional to 15,482,544.12, 21,366,640.08 and 8,607,141
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Solution
The fourth proportional to 15,482,544.12, 21,366,640.08 and 8,607,141 is: 11,878,259.96
Step by Step Solution
- Step 1: Write the proportion equation
15,482,544.12 : 21,366,640.08 = 8,607,141 : x - Step 2: Convert to fraction form
15,482,544.12/21,366,640.08 = 8,607,141/x - Step 3: Cross multiply
15,482,544.12x = 21,366,640.08 × 8,607,141 - Step 4: Simplify right side
15,482,544.12x = 183,905,683,864,811.25 - Step 5: Solve for x
x = 183,905,683,864,811.25/15,482,544.12 - Step 6: Final answer
x = 11,878,259.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.