Finding the Fourth Proportional to 84,885,897.48, 127,328,687.28 and 26,598,037.68
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Solution
The fourth proportional to 84,885,897.48, 127,328,687.28 and 26,598,037.68 is: 39,897,006.72
Step by Step Solution
- Step 1: Write the proportion equation
84,885,897.48 : 127,328,687.28 = 26,598,037.68 : x - Step 2: Convert to fraction form
84,885,897.48/127,328,687.28 = 26,598,037.68/x - Step 3: Cross multiply
84,885,897.48x = 127,328,687.28 × 26,598,037.68 - Step 4: Simplify right side
84,885,897.48x = 3,386,693,222,018,376.50 - Step 5: Solve for x
x = 3,386,693,222,018,376.50/84,885,897.48 - Step 6: Final answer
x = 39,897,006.72
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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.