Finding the Fourth Proportional to 19,426,968.69, 29,135,375.55 and 5,776,438.83
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Solution
The fourth proportional to 19,426,968.69, 29,135,375.55 and 5,776,438.83 is: 8,663,148.50
Step by Step Solution
- Step 1: Write the proportion equation
19,426,968.69 : 29,135,375.55 = 5,776,438.83 : x - Step 2: Convert to fraction form
19,426,968.69/29,135,375.55 = 5,776,438.83/x - Step 3: Cross multiply
19,426,968.69x = 29,135,375.55 × 5,776,438.83 - Step 4: Simplify right side
19,426,968.69x = 168,298,714,653,652.62 - Step 5: Solve for x
x = 168,298,714,653,652.62/19,426,968.69 - Step 6: Final answer
x = 8,663,148.50
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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.