Finding the Fourth Proportional to 9,717,620.09, 13,410,315.68 and 5,643,501.53
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Solution
The fourth proportional to 9,717,620.09, 13,410,315.68 and 5,643,501.53 is: 7,788,032.08
Step by Step Solution
- Step 1: Write the proportion equation
9,717,620.09 : 13,410,315.68 = 5,643,501.53 : x - Step 2: Convert to fraction form
9,717,620.09/13,410,315.68 = 5,643,501.53/x - Step 3: Cross multiply
9,717,620.09x = 13,410,315.68 × 5,643,501.53 - Step 4: Simplify right side
9,717,620.09x = 75,681,136,962,593.91 - Step 5: Solve for x
x = 75,681,136,962,593.91/9,717,620.09 - Step 6: Final answer
x = 7,788,032.08
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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.