Finding the Fourth Proportional to 11,054,230.80, 15,254,870.10 and 6,408,918.60
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Solution
The fourth proportional to 11,054,230.80, 15,254,870.10 and 6,408,918.60 is: 8,844,325.99
Step by Step Solution
- Step 1: Write the proportion equation
11,054,230.80 : 15,254,870.10 = 6,408,918.60 : x - Step 2: Convert to fraction form
11,054,230.80/15,254,870.10 = 6,408,918.60/x - Step 3: Cross multiply
11,054,230.80x = 15,254,870.10 × 6,408,918.60 - Step 4: Simplify right side
11,054,230.80x = 97,767,220,724,473.86 - Step 5: Solve for x
x = 97,767,220,724,473.86/11,054,230.80 - Step 6: Final answer
x = 8,844,325.99
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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.