Finding the Fourth Proportional to 9,894,421.09, 13,655,119.15 and 5,485,530.24
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Solution
The fourth proportional to 9,894,421.09, 13,655,119.15 and 5,485,530.24 is: 7,570,485.26
Step by Step Solution
- Step 1: Write the proportion equation
9,894,421.09 : 13,655,119.15 = 5,485,530.24 : x - Step 2: Convert to fraction form
9,894,421.09/13,655,119.15 = 5,485,530.24/x - Step 3: Cross multiply
9,894,421.09x = 13,655,119.15 × 5,485,530.24 - Step 4: Simplify right side
9,894,421.09x = 74,905,569,028,128.09 - Step 5: Solve for x
x = 74,905,569,028,128.09/9,894,421.09 - Step 6: Final answer
x = 7,570,485.26
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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.