Finding the Fourth Proportional to 26,170,511.20, 36,118,695.36 and 15,011,357.92
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Solution
The fourth proportional to 26,170,511.20, 36,118,695.36 and 15,011,357.92 is: 20,717,618.37
Step by Step Solution
- Step 1: Write the proportion equation
26,170,511.20 : 36,118,695.36 = 15,011,357.92 : x - Step 2: Convert to fraction form
26,170,511.20/36,118,695.36 = 15,011,357.92/x - Step 3: Cross multiply
26,170,511.20x = 36,118,695.36 × 15,011,357.92 - Step 4: Simplify right side
26,170,511.20x = 542,190,663,652,403.25 - Step 5: Solve for x
x = 542,190,663,652,403.25/26,170,511.20 - Step 6: Final answer
x = 20,717,618.37
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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.