Finding the Fourth Proportional to 13,657,070.17, 20,486,984.14 and 4,434,657.05
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Solution
The fourth proportional to 13,657,070.17, 20,486,984.14 and 4,434,657.05 is: 6,652,433.32
Step by Step Solution
- Step 1: Write the proportion equation
13,657,070.17 : 20,486,984.14 = 4,434,657.05 : x - Step 2: Convert to fraction form
13,657,070.17/20,486,984.14 = 4,434,657.05/x - Step 3: Cross multiply
13,657,070.17x = 20,486,984.14 × 4,434,657.05 - Step 4: Simplify right side
13,657,070.17x = 90,852,748,649,689.19 - Step 5: Solve for x
x = 90,852,748,649,689.19/13,657,070.17 - Step 6: Final answer
x = 6,652,433.32
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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.