Finding the Fourth Proportional to 8,070,878.71, 11,137,254.42 and 4,539,204.19
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Solution
The fourth proportional to 8,070,878.71, 11,137,254.42 and 4,539,204.19 is: 6,263,787.84
Step by Step Solution
- Step 1: Write the proportion equation
8,070,878.71 : 11,137,254.42 = 4,539,204.19 : x - Step 2: Convert to fraction form
8,070,878.71/11,137,254.42 = 4,539,204.19/x - Step 3: Cross multiply
8,070,878.71x = 11,137,254.42 × 4,539,204.19 - Step 4: Simplify right side
8,070,878.71x = 50,554,271,928,360.02 - Step 5: Solve for x
x = 50,554,271,928,360.02/8,070,878.71 - Step 6: Final answer
x = 6,263,787.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.