Finding the Fourth Proportional to 9,657,688.40, 14,486,532.60 and 2,926,437.20
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Solution
The fourth proportional to 9,657,688.40, 14,486,532.60 and 2,926,437.20 is: 4,389,655.80
Step by Step Solution
- Step 1: Write the proportion equation
9,657,688.40 : 14,486,532.60 = 2,926,437.20 : x - Step 2: Convert to fraction form
9,657,688.40/14,486,532.60 = 2,926,437.20/x - Step 3: Cross multiply
9,657,688.40x = 14,486,532.60 × 2,926,437.20 - Step 4: Simplify right side
9,657,688.40x = 42,393,927,899,652.72 - Step 5: Solve for x
x = 42,393,927,899,652.72/9,657,688.40 - Step 6: Final answer
x = 4,389,655.80
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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.