Finding the Fourth Proportional to 10,657,935.60, 15,968,532.60 and 4,966,486.80
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Solution
The fourth proportional to 10,657,935.60, 15,968,532.60 and 4,966,486.80 is: 7,441,169.60
Step by Step Solution
- Step 1: Write the proportion equation
10,657,935.60 : 15,968,532.60 = 4,966,486.80 : x - Step 2: Convert to fraction form
10,657,935.60/15,968,532.60 = 4,966,486.80/x - Step 3: Cross multiply
10,657,935.60x = 15,968,532.60 × 4,966,486.80 - Step 4: Simplify right side
10,657,935.60x = 79,307,506,373,269.67 - Step 5: Solve for x
x = 79,307,506,373,269.67/10,657,935.60 - Step 6: Final answer
x = 7,441,169.60
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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.