Finding the Fourth Proportional to 8,561,702.68, 12,829,084.16 and 6,621,181.68
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Solution
The fourth proportional to 8,561,702.68, 12,829,084.16 and 6,621,181.68 is: 9,921,355.62
Step by Step Solution
- Step 1: Write the proportion equation
8,561,702.68 : 12,829,084.16 = 6,621,181.68 : x - Step 2: Convert to fraction form
8,561,702.68/12,829,084.16 = 6,621,181.68/x - Step 3: Cross multiply
8,561,702.68x = 12,829,084.16 × 6,621,181.68 - Step 4: Simplify right side
8,561,702.68x = 84,943,697,026,373.34 - Step 5: Solve for x
x = 84,943,697,026,373.34/8,561,702.68 - Step 6: Final answer
x = 9,921,355.62
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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.