Finding the Fourth Proportional to 9,804,659.80, 14,706,989.70 and 4,765,811.80
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Solution
The fourth proportional to 9,804,659.80, 14,706,989.70 and 4,765,811.80 is: 7,148,717.70
Step by Step Solution
- Step 1: Write the proportion equation
9,804,659.80 : 14,706,989.70 = 4,765,811.80 : x - Step 2: Convert to fraction form
9,804,659.80/14,706,989.70 = 4,765,811.80/x - Step 3: Cross multiply
9,804,659.80x = 14,706,989.70 × 4,765,811.80 - Step 4: Simplify right side
9,804,659.80x = 70,090,745,054,738.45 - Step 5: Solve for x
x = 70,090,745,054,738.45/9,804,659.80 - Step 6: Final answer
x = 7,148,717.70
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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.