Finding the Fourth Proportional to 19,337,148.10, 29,026,717.35 and 12,156,789.70
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Solution
The fourth proportional to 19,337,148.10, 29,026,717.35 and 12,156,789.70 is: 18,248,383.72
Step by Step Solution
- Step 1: Write the proportion equation
19,337,148.10 : 29,026,717.35 = 12,156,789.70 : x - Step 2: Convert to fraction form
19,337,148.10/29,026,717.35 = 12,156,789.70/x - Step 3: Cross multiply
19,337,148.10x = 29,026,717.35 × 12,156,789.70 - Step 4: Simplify right side
19,337,148.10x = 352,871,698,505,291.31 - Step 5: Solve for x
x = 352,871,698,505,291.31/19,337,148.10 - Step 6: Final answer
x = 18,248,383.72
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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.