Finding the Fourth Proportional to 10,485,289.63, 14,470,029.06 and 5,776,026.68
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Solution
The fourth proportional to 10,485,289.63, 14,470,029.06 and 5,776,026.68 is: 7,971,098.26
Step by Step Solution
- Step 1: Write the proportion equation
10,485,289.63 : 14,470,029.06 = 5,776,026.68 : x - Step 2: Convert to fraction form
10,485,289.63/14,470,029.06 = 5,776,026.68/x - Step 3: Cross multiply
10,485,289.63x = 14,470,029.06 × 5,776,026.68 - Step 4: Simplify right side
10,485,289.63x = 83,579,273,947,110.39 - Step 5: Solve for x
x = 83,579,273,947,110.39/10,485,289.63 - Step 6: Final answer
x = 7,971,098.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.