Finding the Fourth Proportional to 7,608,056.62, 10,492,996.23 and 6,688,319.23
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Solution
The fourth proportional to 7,608,056.62, 10,492,996.23 and 6,688,319.23 is: 9,224,498.71
Step by Step Solution
- Step 1: Write the proportion equation
7,608,056.62 : 10,492,996.23 = 6,688,319.23 : x - Step 2: Convert to fraction form
7,608,056.62/10,492,996.23 = 6,688,319.23/x - Step 3: Cross multiply
7,608,056.62x = 10,492,996.23 × 6,688,319.23 - Step 4: Simplify right side
7,608,056.62x = 70,180,508,479,844.02 - Step 5: Solve for x
x = 70,180,508,479,844.02/7,608,056.62 - Step 6: Final answer
x = 9,224,498.71
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1.5x scale
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.