Finding the Fourth Proportional to 8,750,601.30, 13,125,901.95 and 7,952,783.70
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Solution
The fourth proportional to 8,750,601.30, 13,125,901.95 and 7,952,783.70 is: 11,929,175.55
Step by Step Solution
- Step 1: Write the proportion equation
8,750,601.30 : 13,125,901.95 = 7,952,783.70 : x - Step 2: Convert to fraction form
8,750,601.30/13,125,901.95 = 7,952,783.70/x - Step 3: Cross multiply
8,750,601.30x = 13,125,901.95 × 7,952,783.70 - Step 4: Simplify right side
8,750,601.30x = 104,387,459,075,758.22 - Step 5: Solve for x
x = 104,387,459,075,758.22/8,750,601.30 - Step 6: Final answer
x = 11,929,175.55
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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.