Finding the Fourth Proportional to 13,299,177.81, 19,904,812.08 and 12,104,099.88
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Solution
The fourth proportional to 13,299,177.81, 19,904,812.08 and 12,104,099.88 is: 18,116,144.99
Step by Step Solution
- Step 1: Write the proportion equation
13,299,177.81 : 19,904,812.08 = 12,104,099.88 : x - Step 2: Convert to fraction form
13,299,177.81/19,904,812.08 = 12,104,099.88/x - Step 3: Cross multiply
13,299,177.81x = 19,904,812.08 × 12,104,099.88 - Step 4: Simplify right side
13,299,177.81x = 240,929,833,508,950.53 - Step 5: Solve for x
x = 240,929,833,508,950.53/13,299,177.81 - Step 6: Final answer
x = 18,116,144.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.