Finding the Fourth Proportional to 19,835,964.64, 29,750,462.34 and 5,455,564.84
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Solution
The fourth proportional to 19,835,964.64, 29,750,462.34 and 5,455,564.84 is: 8,182,388.87
Step by Step Solution
- Step 1: Write the proportion equation
19,835,964.64 : 29,750,462.34 = 5,455,564.84 : x - Step 2: Convert to fraction form
19,835,964.64/29,750,462.34 = 5,455,564.84/x - Step 3: Cross multiply
19,835,964.64x = 29,750,462.34 × 5,455,564.84 - Step 4: Simplify right side
19,835,964.64x = 162,305,576,315,848.12 - Step 5: Solve for x
x = 162,305,576,315,848.12/19,835,964.64 - Step 6: Final answer
x = 8,182,388.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.