Finding the Fourth Proportional to 9,754,389.84, 13,460,881.64 and 5,403,462.68
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Solution
The fourth proportional to 9,754,389.84, 13,460,881.64 and 5,403,462.68 is: 7,456,680.81
Step by Step Solution
- Step 1: Write the proportion equation
9,754,389.84 : 13,460,881.64 = 5,403,462.68 : x - Step 2: Convert to fraction form
9,754,389.84/13,460,881.64 = 5,403,462.68/x - Step 3: Cross multiply
9,754,389.84x = 13,460,881.64 × 5,403,462.68 - Step 4: Simplify right side
9,754,389.84x = 72,735,371,581,637.19 - Step 5: Solve for x
x = 72,735,371,581,637.19/9,754,389.84 - Step 6: Final answer
x = 7,456,680.81
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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.