Finding the Fourth Proportional to 22,686,938.73, 34,012,965.76 and 11,745,398.99
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Solution
The fourth proportional to 22,686,938.73, 34,012,965.76 and 11,745,398.99 is: 17,609,068.31
Step by Step Solution
- Step 1: Write the proportion equation
22,686,938.73 : 34,012,965.76 = 11,745,398.99 : x - Step 2: Convert to fraction form
22,686,938.73/34,012,965.76 = 11,745,398.99/x - Step 3: Cross multiply
22,686,938.73x = 34,012,965.76 × 11,745,398.99 - Step 4: Simplify right side
22,686,938.73x = 399,495,853,740,077.50 - Step 5: Solve for x
x = 399,495,853,740,077.50/22,686,938.73 - Step 6: Final answer
x = 17,609,068.31
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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.