Finding the Fourth Proportional to 26,211,530.83, 36,163,896.99 and 15,196,082.63
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Solution
The fourth proportional to 26,211,530.83, 36,163,896.99 and 15,196,082.63 is: 20,965,947.03
Step by Step Solution
- Step 1: Write the proportion equation
26,211,530.83 : 36,163,896.99 = 15,196,082.63 : x - Step 2: Convert to fraction form
26,211,530.83/36,163,896.99 = 15,196,082.63/x - Step 3: Cross multiply
26,211,530.83x = 36,163,896.99 × 15,196,082.63 - Step 4: Simplify right side
26,211,530.83x = 549,549,566,882,848.38 - Step 5: Solve for x
x = 549,549,566,882,848.38/26,211,530.83 - Step 6: Final answer
x = 20,965,947.03
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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.