Finding the Fourth Proportional to 13,657,069.74, 20,486,983.48 and 4,434,656.62
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Solution
The fourth proportional to 13,657,069.74, 20,486,983.48 and 4,434,656.62 is: 6,652,432.67
Step by Step Solution
- Step 1: Write the proportion equation
13,657,069.74 : 20,486,983.48 = 4,434,656.62 : x - Step 2: Convert to fraction form
13,657,069.74/20,486,983.48 = 4,434,656.62/x - Step 3: Cross multiply
13,657,069.74x = 20,486,983.48 × 4,434,656.62 - Step 4: Simplify right side
13,657,069.74x = 90,852,736,913,412.64 - Step 5: Solve for x
x = 90,852,736,913,412.64/13,657,069.74 - Step 6: Final answer
x = 6,652,432.67
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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.