Finding the Fourth Proportional to 8,494,106.21, 12,736,459.16 and 3,371,346.53
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Solution
The fourth proportional to 8,494,106.21, 12,736,459.16 and 3,371,346.53 is: 5,055,154.28
Step by Step Solution
- Step 1: Write the proportion equation
8,494,106.21 : 12,736,459.16 = 3,371,346.53 : x - Step 2: Convert to fraction form
8,494,106.21/12,736,459.16 = 3,371,346.53/x - Step 3: Cross multiply
8,494,106.21x = 12,736,459.16 × 3,371,346.53 - Step 4: Simplify right side
8,494,106.21x = 42,939,017,376,695.98 - Step 5: Solve for x
x = 42,939,017,376,695.98/8,494,106.21 - Step 6: Final answer
x = 5,055,154.28
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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.