Finding the Fourth Proportional to 12,565,526.18, 18,830,850.96 and 5,725,382.96
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Solution
The fourth proportional to 12,565,526.18, 18,830,850.96 and 5,725,382.96 is: 8,580,128.81
Step by Step Solution
- Step 1: Write the proportion equation
12,565,526.18 : 18,830,850.96 = 5,725,382.96 : x - Step 2: Convert to fraction form
12,565,526.18/18,830,850.96 = 5,725,382.96/x - Step 3: Cross multiply
12,565,526.18x = 18,830,850.96 × 5,725,382.96 - Step 4: Simplify right side
12,565,526.18x = 107,813,833,208,683.64 - Step 5: Solve for x
x = 107,813,833,208,683.64/12,565,526.18 - Step 6: Final answer
x = 8,580,128.81
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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.