Finding the Fourth Proportional to 13,116,532.05, 19,648,448.94 and 6,531,402.15
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Solution
The fourth proportional to 13,116,532.05, 19,648,448.94 and 6,531,402.15 is: 9,783,982.62
Step by Step Solution
- Step 1: Write the proportion equation
13,116,532.05 : 19,648,448.94 = 6,531,402.15 : x - Step 2: Convert to fraction form
13,116,532.05/19,648,448.94 = 6,531,402.15/x - Step 3: Cross multiply
13,116,532.05x = 19,648,448.94 × 6,531,402.15 - Step 4: Simplify right side
13,116,532.05x = 128,331,921,650,881.23 - Step 5: Solve for x
x = 128,331,921,650,881.23/13,116,532.05 - Step 6: Final answer
x = 9,783,982.62
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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.