Finding the Fourth Proportional to 19,910,631.84, 27,477,203.52 and 11,209,134.48
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Solution
The fourth proportional to 19,910,631.84, 27,477,203.52 and 11,209,134.48 is: 15,468,904.85
Step by Step Solution
- Step 1: Write the proportion equation
19,910,631.84 : 27,477,203.52 = 11,209,134.48 : x - Step 2: Convert to fraction form
19,910,631.84/27,477,203.52 = 11,209,134.48/x - Step 3: Cross multiply
19,910,631.84x = 27,477,203.52 × 11,209,134.48 - Step 4: Simplify right side
19,910,631.84x = 307,995,669,390,009.38 - Step 5: Solve for x
x = 307,995,669,390,009.38/19,910,631.84 - Step 6: Final answer
x = 15,468,904.85
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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.