Finding the Fourth Proportional to 56,591,720.40, 84,905,515.80 and 20,199,304.08
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Solution
The fourth proportional to 56,591,720.40, 84,905,515.80 and 20,199,304.08 is: 30,305,357.74
Step by Step Solution
- Step 1: Write the proportion equation
56,591,720.40 : 84,905,515.80 = 20,199,304.08 : x - Step 2: Convert to fraction form
56,591,720.40/84,905,515.80 = 20,199,304.08/x - Step 3: Cross multiply
56,591,720.40x = 84,905,515.80 × 20,199,304.08 - Step 4: Simplify right side
56,591,720.40x = 1,715,032,331,713,444.25 - Step 5: Solve for x
x = 1,715,032,331,713,444.25/56,591,720.40 - Step 6: Final answer
x = 30,305,357.74
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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.