Finding the Fourth Proportional to 7,779,862.67, 11,640,892.28 and 4,887,688.82
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Solution
The fourth proportional to 7,779,862.67, 11,640,892.28 and 4,887,688.82 is: 7,313,375.75
Step by Step Solution
- Step 1: Write the proportion equation
7,779,862.67 : 11,640,892.28 = 4,887,688.82 : x - Step 2: Convert to fraction form
7,779,862.67/11,640,892.28 = 4,887,688.82/x - Step 3: Cross multiply
7,779,862.67x = 11,640,892.28 × 4,887,688.82 - Step 4: Simplify right side
7,779,862.67x = 56,897,058,969,137.41 - Step 5: Solve for x
x = 56,897,058,969,137.41/7,779,862.67 - Step 6: Final answer
x = 7,313,375.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.