Finding the Fourth Proportional to 14,676,831.60, 22,015,247.40 and 7,874,386.80
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Solution
The fourth proportional to 14,676,831.60, 22,015,247.40 and 7,874,386.80 is: 11,811,580.20
Step by Step Solution
- Step 1: Write the proportion equation
14,676,831.60 : 22,015,247.40 = 7,874,386.80 : x - Step 2: Convert to fraction form
14,676,831.60/22,015,247.40 = 7,874,386.80/x - Step 3: Cross multiply
14,676,831.60x = 22,015,247.40 × 7,874,386.80 - Step 4: Simplify right side
14,676,831.60x = 173,356,573,525,294.31 - Step 5: Solve for x
x = 173,356,573,525,294.31/14,676,831.60 - Step 6: Final answer
x = 11,811,580.20
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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.