Finding the Fourth Proportional to 19,047,402.91, 26,284,968.95 and 11,207,422.95
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Solution
The fourth proportional to 19,047,402.91, 26,284,968.95 and 11,207,422.95 is: 15,465,980.61
Step by Step Solution
- Step 1: Write the proportion equation
19,047,402.91 : 26,284,968.95 = 11,207,422.95 : x - Step 2: Convert to fraction form
19,047,402.91/26,284,968.95 = 11,207,422.95/x - Step 3: Cross multiply
19,047,402.91x = 26,284,968.95 × 11,207,422.95 - Step 4: Simplify right side
19,047,402.91x = 294,586,764,135,066.94 - Step 5: Solve for x
x = 294,586,764,135,066.94/19,047,402.91 - Step 6: Final answer
x = 15,465,980.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.