Finding the Fourth Proportional to 43,074,939.12, 64,598,428.08 and 14,313,355.44
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Solution
The fourth proportional to 43,074,939.12, 64,598,428.08 and 14,313,355.44 is: 21,465,387.55
Step by Step Solution
- Step 1: Write the proportion equation
43,074,939.12 : 64,598,428.08 = 14,313,355.44 : x - Step 2: Convert to fraction form
43,074,939.12/64,598,428.08 = 14,313,355.44/x - Step 3: Cross multiply
43,074,939.12x = 64,598,428.08 × 14,313,355.44 - Step 4: Simplify right side
43,074,939.12x = 924,620,261,974,316.75 - Step 5: Solve for x
x = 924,620,261,974,316.75/43,074,939.12 - Step 6: Final answer
x = 21,465,387.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.