Finding the Fourth Proportional to 19,423,406.70, 29,135,110.05 and 6,644,328.30
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Solution
The fourth proportional to 19,423,406.70, 29,135,110.05 and 6,644,328.30 is: 9,966,492.45
Step by Step Solution
- Step 1: Write the proportion equation
19,423,406.70 : 29,135,110.05 = 6,644,328.30 : x - Step 2: Convert to fraction form
19,423,406.70/29,135,110.05 = 6,644,328.30/x - Step 3: Cross multiply
19,423,406.70x = 29,135,110.05 × 6,644,328.30 - Step 4: Simplify right side
19,423,406.70x = 193,583,236,228,829.41 - Step 5: Solve for x
x = 193,583,236,228,829.41/19,423,406.70 - Step 6: Final answer
x = 9,966,492.45
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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.