Finding the Fourth Proportional to 7,905,905.55, 10,909,696.68 and 4,373,491.14
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Solution
The fourth proportional to 7,905,905.55, 10,909,696.68 and 4,373,491.14 is: 6,035,167.19
Step by Step Solution
- Step 1: Write the proportion equation
7,905,905.55 : 10,909,696.68 = 4,373,491.14 : x - Step 2: Convert to fraction form
7,905,905.55/10,909,696.68 = 4,373,491.14/x - Step 3: Cross multiply
7,905,905.55x = 10,909,696.68 × 4,373,491.14 - Step 4: Simplify right side
7,905,905.55x = 47,713,461,770,067.41 - Step 5: Solve for x
x = 47,713,461,770,067.41/7,905,905.55 - Step 6: Final answer
x = 6,035,167.19
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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.