Finding the Fourth Proportional to 19,516,826.24, 26,933,378.54 and 10,815,144.26
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Solution
The fourth proportional to 19,516,826.24, 26,933,378.54 and 10,815,144.26 is: 14,924,986.82
Step by Step Solution
- Step 1: Write the proportion equation
19,516,826.24 : 26,933,378.54 = 10,815,144.26 : x - Step 2: Convert to fraction form
19,516,826.24/26,933,378.54 = 10,815,144.26/x - Step 3: Cross multiply
19,516,826.24x = 26,933,378.54 × 10,815,144.26 - Step 4: Simplify right side
19,516,826.24x = 291,288,374,319,288.19 - Step 5: Solve for x
x = 291,288,374,319,288.19/19,516,826.24 - Step 6: Final answer
x = 14,924,986.82
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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.