Finding the Fourth Proportional to 36,749,994.14, 55,133,295.98 and 12,157,863.09
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Solution
The fourth proportional to 36,749,994.14, 55,133,295.98 and 12,157,863.09 is: 18,239,542.07
Step by Step Solution
- Step 1: Write the proportion equation
36,749,994.14 : 55,133,295.98 = 12,157,863.09 : x - Step 2: Convert to fraction form
36,749,994.14/55,133,295.98 = 12,157,863.09/x - Step 3: Cross multiply
36,749,994.14x = 55,133,295.98 × 12,157,863.09 - Step 4: Simplify right side
36,749,994.14x = 670,303,064,164,498.12 - Step 5: Solve for x
x = 670,303,064,164,498.12/36,749,994.14 - Step 6: Final answer
x = 18,239,542.07
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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.