Finding the Fourth Proportional to 8,348,027.70, 11,720,831.10 and 8,348,027.70
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Solution
The fourth proportional to 8,348,027.70, 11,720,831.10 and 8,348,027.70 is: 11,720,831.10
Step by Step Solution
- Step 1: Write the proportion equation
8,348,027.70 : 11,720,831.10 = 8,348,027.70 : x - Step 2: Convert to fraction form
8,348,027.70/11,720,831.10 = 8,348,027.70/x - Step 3: Cross multiply
8,348,027.70x = 11,720,831.10 × 8,348,027.70 - Step 4: Simplify right side
8,348,027.70x = 97,845,822,689,821.47 - Step 5: Solve for x
x = 97,845,822,689,821.47/8,348,027.70 - Step 6: Final answer
x = 11,720,831.10
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.