Finding the Fourth Proportional to 8,031,745.60, 12,052,405.40 and 2,914,574.80
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Solution
The fourth proportional to 8,031,745.60, 12,052,405.40 and 2,914,574.80 is: 4,373,599.32
Step by Step Solution
- Step 1: Write the proportion equation
8,031,745.60 : 12,052,405.40 = 2,914,574.80 : x - Step 2: Convert to fraction form
8,031,745.60/12,052,405.40 = 2,914,574.80/x - Step 3: Cross multiply
8,031,745.60x = 12,052,405.40 × 2,914,574.80 - Step 4: Simplify right side
8,031,745.60x = 35,127,637,058,223.92 - Step 5: Solve for x
x = 35,127,637,058,223.92/8,031,745.60 - Step 6: Final answer
x = 4,373,599.32
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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.