Finding the Fourth Proportional to 12,201,152.78, 16,837,900.70 and 6,694,526.18
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Solution
The fourth proportional to 12,201,152.78, 16,837,900.70 and 6,694,526.18 is: 9,238,616.14
Step by Step Solution
- Step 1: Write the proportion equation
12,201,152.78 : 16,837,900.70 = 6,694,526.18 : x - Step 2: Convert to fraction form
12,201,152.78/16,837,900.70 = 6,694,526.18/x - Step 3: Cross multiply
12,201,152.78x = 16,837,900.70 × 6,694,526.18 - Step 4: Simplify right side
12,201,152.78x = 112,721,766,984,937.14 - Step 5: Solve for x
x = 112,721,766,984,937.14/12,201,152.78 - Step 6: Final answer
x = 9,238,616.14
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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.