Finding the Fourth Proportional to 14,294,903.60, 21,434,482.20 and 5,765,603.60
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Solution
The fourth proportional to 14,294,903.60, 21,434,482.20 and 5,765,603.60 is: 8,645,229.88
Step by Step Solution
- Step 1: Write the proportion equation
14,294,903.60 : 21,434,482.20 = 5,765,603.60 : x - Step 2: Convert to fraction form
14,294,903.60/21,434,482.20 = 5,765,603.60/x - Step 3: Cross multiply
14,294,903.60x = 21,434,482.20 × 5,765,603.60 - Step 4: Simplify right side
14,294,903.60x = 123,582,727,736,455.91 - Step 5: Solve for x
x = 123,582,727,736,455.91/14,294,903.60 - Step 6: Final answer
x = 8,645,229.88
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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.