Finding the Fourth Proportional to 8,909,069.05, 12,294,523.16 and 4,834,688.05
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Solution
The fourth proportional to 8,909,069.05, 12,294,523.16 and 4,834,688.05 is: 6,671,873.78
Step by Step Solution
- Step 1: Write the proportion equation
8,909,069.05 : 12,294,523.16 = 4,834,688.05 : x - Step 2: Convert to fraction form
8,909,069.05/12,294,523.16 = 4,834,688.05/x - Step 3: Cross multiply
8,909,069.05x = 12,294,523.16 × 4,834,688.05 - Step 4: Simplify right side
8,909,069.05x = 59,440,184,183,450.66 - Step 5: Solve for x
x = 59,440,184,183,450.66/8,909,069.05 - Step 6: Final answer
x = 6,671,873.78
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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.