Finding the Fourth Proportional to 11,823,671.68, 16,315,280.40 and 6,666,725.92
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Solution
The fourth proportional to 11,823,671.68, 16,315,280.40 and 6,666,725.92 is: 9,199,299.99
Step by Step Solution
- Step 1: Write the proportion equation
11,823,671.68 : 16,315,280.40 = 6,666,725.92 : x - Step 2: Convert to fraction form
11,823,671.68/16,315,280.40 = 6,666,725.92/x - Step 3: Cross multiply
11,823,671.68x = 16,315,280.40 × 6,666,725.92 - Step 4: Simplify right side
11,823,671.68x = 108,769,502,734,747.97 - Step 5: Solve for x
x = 108,769,502,734,747.97/11,823,671.68 - Step 6: Final answer
x = 9,199,299.99
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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.