Finding the Fourth Proportional to 45,664,473.32, 68,508,140.64 and 13,316,379.44
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Solution
The fourth proportional to 45,664,473.32, 68,508,140.64 and 13,316,379.44 is: 19,977,902.50
Step by Step Solution
- Step 1: Write the proportion equation
45,664,473.32 : 68,508,140.64 = 13,316,379.44 : x - Step 2: Convert to fraction form
45,664,473.32/68,508,140.64 = 13,316,379.44/x - Step 3: Cross multiply
45,664,473.32x = 68,508,140.64 × 13,316,379.44 - Step 4: Simplify right side
45,664,473.32x = 912,280,395,491,124.38 - Step 5: Solve for x
x = 912,280,395,491,124.38/45,664,473.32 - Step 6: Final answer
x = 19,977,902.50
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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.