Finding the Fourth Proportional to 10,455,882.40, 15,683,823.60 and 2,779,512.40
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Solution
The fourth proportional to 10,455,882.40, 15,683,823.60 and 2,779,512.40 is: 4,169,268.60
Step by Step Solution
- Step 1: Write the proportion equation
10,455,882.40 : 15,683,823.60 = 2,779,512.40 : x - Step 2: Convert to fraction form
10,455,882.40/15,683,823.60 = 2,779,512.40/x - Step 3: Cross multiply
10,455,882.40x = 15,683,823.60 × 2,779,512.40 - Step 4: Simplify right side
10,455,882.40x = 43,593,382,175,612.64 - Step 5: Solve for x
x = 43,593,382,175,612.64/10,455,882.40 - Step 6: Final answer
x = 4,169,268.60
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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.