Finding the Fourth Proportional to 22,926,862.97, 31,639,069.83 and 12,613,364.63
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Solution
The fourth proportional to 22,926,862.97, 31,639,069.83 and 12,613,364.63 is: 17,406,442.60
Step by Step Solution
- Step 1: Write the proportion equation
22,926,862.97 : 31,639,069.83 = 12,613,364.63 : x - Step 2: Convert to fraction form
22,926,862.97/31,639,069.83 = 12,613,364.63/x - Step 3: Cross multiply
22,926,862.97x = 31,639,069.83 × 12,613,364.63 - Step 4: Simplify right side
22,926,862.97x = 399,075,124,161,626.75 - Step 5: Solve for x
x = 399,075,124,161,626.75/22,926,862.97 - Step 6: Final answer
x = 17,406,442.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.