Finding the Fourth Proportional to 11,272,772.96, 16,901,811.12 and 4,792,487.84
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Solution
The fourth proportional to 11,272,772.96, 16,901,811.12 and 4,792,487.84 is: 7,185,607.71
Step by Step Solution
- Step 1: Write the proportion equation
11,272,772.96 : 16,901,811.12 = 4,792,487.84 : x - Step 2: Convert to fraction form
11,272,772.96/16,901,811.12 = 4,792,487.84/x - Step 3: Cross multiply
11,272,772.96x = 16,901,811.12 × 4,792,487.84 - Step 4: Simplify right side
11,272,772.96x = 81,001,724,266,576.78 - Step 5: Solve for x
x = 81,001,724,266,576.78/11,272,772.96 - Step 6: Final answer
x = 7,185,607.71
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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.