Finding the Fourth Proportional to 10,977,837.84, 15,144,448.22 and 6,625,532.88
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Solution
The fourth proportional to 10,977,837.84, 15,144,448.22 and 6,625,532.88 is: 9,140,237.00
Step by Step Solution
- Step 1: Write the proportion equation
10,977,837.84 : 15,144,448.22 = 6,625,532.88 : x - Step 2: Convert to fraction form
10,977,837.84/15,144,448.22 = 6,625,532.88/x - Step 3: Cross multiply
10,977,837.84x = 15,144,448.22 × 6,625,532.88 - Step 4: Simplify right side
10,977,837.84x = 100,340,039,631,067.47 - Step 5: Solve for x
x = 100,340,039,631,067.47/10,977,837.84 - Step 6: Final answer
x = 9,140,237.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.