Finding the Fourth Proportional to 8,561,073.48, 11,813,967.90 and 4,693,509.84
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Solution
The fourth proportional to 8,561,073.48, 11,813,967.90 and 4,693,509.84 is: 6,476,871.71
Step by Step Solution
- Step 1: Write the proportion equation
8,561,073.48 : 11,813,967.90 = 4,693,509.84 : x - Step 2: Convert to fraction form
8,561,073.48/11,813,967.90 = 4,693,509.84/x - Step 3: Cross multiply
8,561,073.48x = 11,813,967.90 × 4,693,509.84 - Step 4: Simplify right side
8,561,073.48x = 55,448,974,588,094.13 - Step 5: Solve for x
x = 55,448,974,588,094.13/8,561,073.48 - Step 6: Final answer
x = 6,476,871.71
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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.