Finding the Fourth Proportional to 16,505,510.90, 24,758,266.35 and 5,145,869.30
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Solution
The fourth proportional to 16,505,510.90, 24,758,266.35 and 5,145,869.30 is: 7,718,803.95
Step by Step Solution
- Step 1: Write the proportion equation
16,505,510.90 : 24,758,266.35 = 5,145,869.30 : x - Step 2: Convert to fraction form
16,505,510.90/24,758,266.35 = 5,145,869.30/x - Step 3: Cross multiply
16,505,510.90x = 24,758,266.35 × 5,145,869.30 - Step 4: Simplify right side
16,505,510.90x = 127,402,802,731,688.06 - Step 5: Solve for x
x = 127,402,802,731,688.06/16,505,510.90 - Step 6: Final answer
x = 7,718,803.95
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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.