Finding the Fourth Proportional to 31,658,936.99, 47,496,592.98 and 18,539,434.61
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Solution
The fourth proportional to 31,658,936.99, 47,496,592.98 and 18,539,434.61 is: 27,813,946.50
Step by Step Solution
- Step 1: Write the proportion equation
31,658,936.99 : 47,496,592.98 = 18,539,434.61 : x - Step 2: Convert to fraction form
31,658,936.99/47,496,592.98 = 18,539,434.61/x - Step 3: Cross multiply
31,658,936.99x = 47,496,592.98 × 18,539,434.61 - Step 4: Simplify right side
31,658,936.99x = 880,559,979,621,601.50 - Step 5: Solve for x
x = 880,559,979,621,601.50/31,658,936.99 - Step 6: Final answer
x = 27,813,946.50
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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.