Finding the Fourth Proportional to 10,390,807.80, 15,586,211.70 and 3,201,701.40
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Solution
The fourth proportional to 10,390,807.80, 15,586,211.70 and 3,201,701.40 is: 4,802,552.10
Step by Step Solution
- Step 1: Write the proportion equation
10,390,807.80 : 15,586,211.70 = 3,201,701.40 : x - Step 2: Convert to fraction form
10,390,807.80/15,586,211.70 = 3,201,701.40/x - Step 3: Cross multiply
10,390,807.80x = 15,586,211.70 × 3,201,701.40 - Step 4: Simplify right side
10,390,807.80x = 49,902,395,820,586.38 - Step 5: Solve for x
x = 49,902,395,820,586.38/10,390,807.80 - Step 6: Final answer
x = 4,802,552.10
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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.