Finding the Fourth Proportional to 11,519,373.55, 15,896,789.62 and 6,292,454.10
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Solution
The fourth proportional to 11,519,373.55, 15,896,789.62 and 6,292,454.10 is: 8,683,616.22
Step by Step Solution
- Step 1: Write the proportion equation
11,519,373.55 : 15,896,789.62 = 6,292,454.10 : x - Step 2: Convert to fraction form
11,519,373.55/15,896,789.62 = 6,292,454.10/x - Step 3: Cross multiply
11,519,373.55x = 15,896,789.62 × 6,292,454.10 - Step 4: Simplify right side
11,519,373.55x = 100,029,818,910,260.22 - Step 5: Solve for x
x = 100,029,818,910,260.22/11,519,373.55 - Step 6: Final answer
x = 8,683,616.22
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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.