Finding the Fourth Proportional to 19,108,182.78, 26,369,108.66 and 10,406,500.70
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Solution
The fourth proportional to 19,108,182.78, 26,369,108.66 and 10,406,500.70 is: 14,360,870.99
Step by Step Solution
- Step 1: Write the proportion equation
19,108,182.78 : 26,369,108.66 = 10,406,500.70 : x - Step 2: Convert to fraction form
19,108,182.78/26,369,108.66 = 10,406,500.70/x - Step 3: Cross multiply
19,108,182.78x = 26,369,108.66 × 10,406,500.70 - Step 4: Simplify right side
19,108,182.78x = 274,410,147,728,666.03 - Step 5: Solve for x
x = 274,410,147,728,666.03/19,108,182.78 - Step 6: Final answer
x = 14,360,870.99
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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.