Finding the Fourth Proportional to 13,341,952.91, 18,411,910.76 and 7,230,381.41
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Solution
The fourth proportional to 13,341,952.91, 18,411,910.76 and 7,230,381.41 is: 9,977,934.88
Step by Step Solution
- Step 1: Write the proportion equation
13,341,952.91 : 18,411,910.76 = 7,230,381.41 : x - Step 2: Convert to fraction form
13,341,952.91/18,411,910.76 = 7,230,381.41/x - Step 3: Cross multiply
13,341,952.91x = 18,411,910.76 × 7,230,381.41 - Step 4: Simplify right side
13,341,952.91x = 133,125,137,281,682.98 - Step 5: Solve for x
x = 133,125,137,281,682.98/13,341,952.91 - Step 6: Final answer
x = 9,977,934.88
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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.