Finding the Fourth Proportional to 26,192,635.83, 36,146,656.98 and 15,031,170.78
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Solution
The fourth proportional to 26,192,635.83, 36,146,656.98 and 15,031,170.78 is: 20,743,485.99
Step by Step Solution
- Step 1: Write the proportion equation
26,192,635.83 : 36,146,656.98 = 15,031,170.78 : x - Step 2: Convert to fraction form
26,192,635.83/36,146,656.98 = 15,031,170.78/x - Step 3: Cross multiply
26,192,635.83x = 36,146,656.98 × 15,031,170.78 - Step 4: Simplify right side
26,192,635.83x = 543,326,574,210,533.75 - Step 5: Solve for x
x = 543,326,574,210,533.75/26,192,635.83 - Step 6: Final answer
x = 20,743,485.99
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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.