Finding the Fourth Proportional to 7,748,817.12, 10,688,914.76 and 4,843,165.28
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Solution
The fourth proportional to 7,748,817.12, 10,688,914.76 and 4,843,165.28 is: 6,680,784.96
Step by Step Solution
- Step 1: Write the proportion equation
7,748,817.12 : 10,688,914.76 = 4,843,165.28 : x - Step 2: Convert to fraction form
7,748,817.12/10,688,914.76 = 4,843,165.28/x - Step 3: Cross multiply
7,748,817.12x = 10,688,914.76 × 4,843,165.28 - Step 4: Simplify right side
7,748,817.12x = 51,768,180,846,511.53 - Step 5: Solve for x
x = 51,768,180,846,511.53/7,748,817.12 - Step 6: Final answer
x = 6,680,784.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.