Finding the Fourth Proportional to 51,416,576.69, 77,130,717.41 and 18,642,579.93
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Solution
The fourth proportional to 51,416,576.69, 77,130,717.41 and 18,642,579.93 is: 27,965,991.85
Step by Step Solution
- Step 1: Write the proportion equation
51,416,576.69 : 77,130,717.41 = 18,642,579.93 : x - Step 2: Convert to fraction form
51,416,576.69/77,130,717.41 = 18,642,579.93/x - Step 3: Cross multiply
51,416,576.69x = 77,130,717.41 × 18,642,579.93 - Step 4: Simplify right side
51,416,576.69x = 1,437,915,564,420,774 - Step 5: Solve for x
x = 1,437,915,564,420,774/51,416,576.69 - Step 6: Final answer
x = 27,965,991.85
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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.