Finding the Fourth Proportional to 26,398,311.32, 36,429,748.09 and 14,638,408.17
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Solution
The fourth proportional to 26,398,311.32, 36,429,748.09 and 14,638,408.17 is: 20,201,046.78
Step by Step Solution
- Step 1: Write the proportion equation
26,398,311.32 : 36,429,748.09 = 14,638,408.17 : x - Step 2: Convert to fraction form
26,398,311.32/36,429,748.09 = 14,638,408.17/x - Step 3: Cross multiply
26,398,311.32x = 36,429,748.09 × 14,638,408.17 - Step 4: Simplify right side
26,398,311.32x = 533,273,521,980,831.38 - Step 5: Solve for x
x = 533,273,521,980,831.38/26,398,311.32 - Step 6: Final answer
x = 20,201,046.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.