Finding the Fourth Proportional to 7,641,564.84, 10,545,447 and 4,378,314.12
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Solution
The fourth proportional to 7,641,564.84, 10,545,447 and 4,378,314.12 is: 6,042,123.63
Step by Step Solution
- Step 1: Write the proportion equation
7,641,564.84 : 10,545,447 = 4,378,314.12 : x - Step 2: Convert to fraction form
7,641,564.84/10,545,447 = 4,378,314.12/x - Step 3: Cross multiply
7,641,564.84x = 10,545,447 × 4,378,314.12 - Step 4: Simplify right side
7,641,564.84x = 46,171,279,501,811.64 - Step 5: Solve for x
x = 46,171,279,501,811.64/7,641,564.84 - Step 6: Final answer
x = 6,042,123.63
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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.