Finding the Fourth Proportional to 15,709,928.70, 23,511,748.95 and 13,796,741.10
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Solution
The fourth proportional to 15,709,928.70, 23,511,748.95 and 13,796,741.10 is: 20,648,439.55
Step by Step Solution
- Step 1: Write the proportion equation
15,709,928.70 : 23,511,748.95 = 13,796,741.10 : x - Step 2: Convert to fraction form
15,709,928.70/23,511,748.95 = 13,796,741.10/x - Step 3: Cross multiply
15,709,928.70x = 23,511,748.95 × 13,796,741.10 - Step 4: Simplify right side
15,709,928.70x = 324,385,513,071,346.81 - Step 5: Solve for x
x = 324,385,513,071,346.81/15,709,928.70 - Step 6: Final answer
x = 20,648,439.55
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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.