Finding the Fourth Proportional to 31,991,272.79, 48,006,395.76 and 11,519,280.14
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Solution
The fourth proportional to 31,991,272.79, 48,006,395.76 and 11,519,280.14 is: 17,285,936.85
Step by Step Solution
- Step 1: Write the proportion equation
31,991,272.79 : 48,006,395.76 = 11,519,280.14 : x - Step 2: Convert to fraction form
31,991,272.79/48,006,395.76 = 11,519,280.14/x - Step 3: Cross multiply
31,991,272.79x = 48,006,395.76 × 11,519,280.14 - Step 4: Simplify right side
31,991,272.79x = 552,999,121,271,148.19 - Step 5: Solve for x
x = 552,999,121,271,148.19/31,991,272.79 - Step 6: Final answer
x = 17,285,936.85
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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.