Finding the Fourth Proportional to 31,829,116.08, 47,709,682.36 and 18,152,814.09
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Solution
The fourth proportional to 31,829,116.08, 47,709,682.36 and 18,152,814.09 is: 27,209,834.92
Step by Step Solution
- Step 1: Write the proportion equation
31,829,116.08 : 47,709,682.36 = 18,152,814.09 : x - Step 2: Convert to fraction form
31,829,116.08/47,709,682.36 = 18,152,814.09/x - Step 3: Cross multiply
31,829,116.08x = 47,709,682.36 × 18,152,814.09 - Step 4: Simplify right side
31,829,116.08x = 866,064,994,174,032.38 - Step 5: Solve for x
x = 866,064,994,174,032.38/31,829,116.08 - Step 6: Final answer
x = 27,209,834.92
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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.