Finding the Fourth Proportional to 10,357,646.66, 15,536,519.12 and 3,169,169.09
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Solution
The fourth proportional to 10,357,646.66, 15,536,519.12 and 3,169,169.09 is: 4,753,768.66
Step by Step Solution
- Step 1: Write the proportion equation
10,357,646.66 : 15,536,519.12 = 3,169,169.09 : x - Step 2: Convert to fraction form
10,357,646.66/15,536,519.12 = 3,169,169.09/x - Step 3: Cross multiply
10,357,646.66x = 15,536,519.12 × 3,169,169.09 - Step 4: Simplify right side
10,357,646.66x = 49,237,856,091,538.33 - Step 5: Solve for x
x = 49,237,856,091,538.33/10,357,646.66 - Step 6: Final answer
x = 4,753,768.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.