Finding the Fourth Proportional to 20,272,840.66, 27,969,671.01 and 11,564,887.06
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Solution
The fourth proportional to 20,272,840.66, 27,969,671.01 and 11,564,887.06 is: 15,955,636.99
Step by Step Solution
- Step 1: Write the proportion equation
20,272,840.66 : 27,969,671.01 = 11,564,887.06 : x - Step 2: Convert to fraction form
20,272,840.66/27,969,671.01 = 11,564,887.06/x - Step 3: Cross multiply
20,272,840.66x = 27,969,671.01 × 11,564,887.06 - Step 4: Simplify right side
20,272,840.66x = 323,466,086,336,006.19 - Step 5: Solve for x
x = 323,466,086,336,006.19/20,272,840.66 - Step 6: Final answer
x = 15,955,636.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.