Finding the Fourth Proportional to 13,908,439.60, 19,194,795.68 and 7,715,483
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Solution
The fourth proportional to 13,908,439.60, 19,194,795.68 and 7,715,483 is: 10,648,003.95
Step by Step Solution
- Step 1: Write the proportion equation
13,908,439.60 : 19,194,795.68 = 7,715,483 : x - Step 2: Convert to fraction form
13,908,439.60/19,194,795.68 = 7,715,483/x - Step 3: Cross multiply
13,908,439.60x = 19,194,795.68 × 7,715,483 - Step 4: Simplify right side
13,908,439.60x = 148,097,119,757,513.44 - Step 5: Solve for x
x = 148,097,119,757,513.44/13,908,439.60 - Step 6: Final answer
x = 10,648,003.95
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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.