Finding the Fourth Proportional to 26,637,491.14, 39,957,357.76 and 8,442,404.28
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Solution
The fourth proportional to 26,637,491.14, 39,957,357.76 and 8,442,404.28 is: 12,663,961.72
Step by Step Solution
- Step 1: Write the proportion equation
26,637,491.14 : 39,957,357.76 = 8,442,404.28 : x - Step 2: Convert to fraction form
26,637,491.14/39,957,357.76 = 8,442,404.28/x - Step 3: Cross multiply
26,637,491.14x = 39,957,357.76 × 8,442,404.28 - Step 4: Simplify right side
26,637,491.14x = 337,336,168,149,409.19 - Step 5: Solve for x
x = 337,336,168,149,409.19/26,637,491.14 - Step 6: Final answer
x = 12,663,961.72
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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.