Finding the Fourth Proportional to 11,520,526.08, 15,886,417.92 and 9,894,318.08
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Solution
The fourth proportional to 11,520,526.08, 15,886,417.92 and 9,894,318.08 is: 13,643,931.79
Step by Step Solution
- Step 1: Write the proportion equation
11,520,526.08 : 15,886,417.92 = 9,894,318.08 : x - Step 2: Convert to fraction form
11,520,526.08/15,886,417.92 = 9,894,318.08/x - Step 3: Cross multiply
11,520,526.08x = 15,886,417.92 × 9,894,318.08 - Step 4: Simplify right side
11,520,526.08x = 157,185,272,052,292 - Step 5: Solve for x
x = 157,185,272,052,292/11,520,526.08 - Step 6: Final answer
x = 13,643,931.79
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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.