Finding the Fourth Proportional to 13,043,951.04, 19,478,088.96 and 10,652,539.68
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Solution
The fourth proportional to 13,043,951.04, 19,478,088.96 and 10,652,539.68 is: 15,907,075.62
Step by Step Solution
- Step 1: Write the proportion equation
13,043,951.04 : 19,478,088.96 = 10,652,539.68 : x - Step 2: Convert to fraction form
13,043,951.04/19,478,088.96 = 10,652,539.68/x - Step 3: Cross multiply
13,043,951.04x = 19,478,088.96 × 10,652,539.68 - Step 4: Simplify right side
13,043,951.04x = 207,491,115,536,969.94 - Step 5: Solve for x
x = 207,491,115,536,969.94/13,043,951.04 - Step 6: Final answer
x = 15,907,075.62
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.