Finding the Fourth Proportional to 11,513,625.48, 15,889,426.02 and 6,356,971.08
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Solution
The fourth proportional to 11,513,625.48, 15,889,426.02 and 6,356,971.08 is: 8,772,963.99
Step by Step Solution
- Step 1: Write the proportion equation
11,513,625.48 : 15,889,426.02 = 6,356,971.08 : x - Step 2: Convert to fraction form
11,513,625.48/15,889,426.02 = 6,356,971.08/x - Step 3: Cross multiply
11,513,625.48x = 15,889,426.02 × 6,356,971.08 - Step 4: Simplify right side
11,513,625.48x = 101,008,621,686,939.50 - Step 5: Solve for x
x = 101,008,621,686,939.50/11,513,625.48 - Step 6: Final answer
x = 8,772,963.99
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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.