Finding the Fourth Proportional to 7,358,423.40, 11,037,635.10 and 5,762,350.80
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Solution
The fourth proportional to 7,358,423.40, 11,037,635.10 and 5,762,350.80 is: 8,643,526.20
Step by Step Solution
- Step 1: Write the proportion equation
7,358,423.40 : 11,037,635.10 = 5,762,350.80 : x - Step 2: Convert to fraction form
7,358,423.40/11,037,635.10 = 5,762,350.80/x - Step 3: Cross multiply
7,358,423.40x = 11,037,635.10 × 5,762,350.80 - Step 4: Simplify right side
7,358,423.40x = 63,602,725,448,593.08 - Step 5: Solve for x
x = 63,602,725,448,593.08/7,358,423.40 - Step 6: Final answer
x = 8,643,526.20
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1.5x scale
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.