Finding the Fourth Proportional to 6,804,401.80, 10,206,602.70 and 6,384,497.80
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Solution
The fourth proportional to 6,804,401.80, 10,206,602.70 and 6,384,497.80 is: 9,576,746.70
Step by Step Solution
- Step 1: Write the proportion equation
6,804,401.80 : 10,206,602.70 = 6,384,497.80 : x - Step 2: Convert to fraction form
6,804,401.80/10,206,602.70 = 6,384,497.80/x - Step 3: Cross multiply
6,804,401.80x = 10,206,602.70 × 6,384,497.80 - Step 4: Simplify right side
6,804,401.80x = 65,164,032,483,624.05 - Step 5: Solve for x
x = 65,164,032,483,624.05/6,804,401.80 - Step 6: Final answer
x = 9,576,746.70
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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.