Finding the Fourth Proportional to 6,645,602.70, 9,968,404.05 and 5,031,350.66
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Solution
The fourth proportional to 6,645,602.70, 9,968,404.05 and 5,031,350.66 is: 7,547,025.99
Step by Step Solution
- Step 1: Write the proportion equation
6,645,602.70 : 9,968,404.05 = 5,031,350.66 : x - Step 2: Convert to fraction form
6,645,602.70/9,968,404.05 = 5,031,350.66/x - Step 3: Cross multiply
6,645,602.70x = 9,968,404.05 × 5,031,350.66 - Step 4: Simplify right side
6,645,602.70x = 50,154,536,321,035.18 - Step 5: Solve for x
x = 50,154,536,321,035.18/6,645,602.70 - Step 6: Final answer
x = 7,547,025.99
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Double scale
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Similar ratio
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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.