Finding the Fourth Proportional to 26,243,382.05, 39,382,631.52 and 10,890,671.21
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Solution
The fourth proportional to 26,243,382.05, 39,382,631.52 and 10,890,671.21 is: 16,343,293.34
Step by Step Solution
- Step 1: Write the proportion equation
26,243,382.05 : 39,382,631.52 = 10,890,671.21 : x - Step 2: Convert to fraction form
26,243,382.05/39,382,631.52 = 10,890,671.21/x - Step 3: Cross multiply
26,243,382.05x = 39,382,631.52 × 10,890,671.21 - Step 4: Simplify right side
26,243,382.05x = 428,903,291,017,536.06 - Step 5: Solve for x
x = 428,903,291,017,536.06/26,243,382.05 - Step 6: Final answer
x = 16,343,293.34
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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.