Finding the Fourth Proportional to 14,374,153.24, 19,836,228.80 and 7,847,782.52
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Solution
The fourth proportional to 14,374,153.24, 19,836,228.80 and 7,847,782.52 is: 10,829,883.82
Step by Step Solution
- Step 1: Write the proportion equation
14,374,153.24 : 19,836,228.80 = 7,847,782.52 : x - Step 2: Convert to fraction form
14,374,153.24/19,836,228.80 = 7,847,782.52/x - Step 3: Cross multiply
14,374,153.24x = 19,836,228.80 × 7,847,782.52 - Step 4: Simplify right side
14,374,153.24x = 155,670,409,639,360.56 - Step 5: Solve for x
x = 155,670,409,639,360.56/14,374,153.24 - Step 6: Final answer
x = 10,829,883.82
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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.