Finding the Fourth Proportional to 8,584,173.99, 12,887,187.18 and 5,564,177.15
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Solution
The fourth proportional to 8,584,173.99, 12,887,187.18 and 5,564,177.15 is: 8,353,347.97
Step by Step Solution
- Step 1: Write the proportion equation
8,584,173.99 : 12,887,187.18 = 5,564,177.15 : x - Step 2: Convert to fraction form
8,584,173.99/12,887,187.18 = 5,564,177.15/x - Step 3: Cross multiply
8,584,173.99x = 12,887,187.18 × 5,564,177.15 - Step 4: Simplify right side
8,584,173.99x = 71,706,592,349,427.33 - Step 5: Solve for x
x = 71,706,592,349,427.33/8,584,173.99 - Step 6: Final answer
x = 8,353,347.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.