Finding the Fourth Proportional to 12,039,060.93, 18,058,542.70 and 4,360,908.84
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Solution
The fourth proportional to 12,039,060.93, 18,058,542.70 and 4,360,908.84 is: 6,541,345.62
Step by Step Solution
- Step 1: Write the proportion equation
12,039,060.93 : 18,058,542.70 = 4,360,908.84 : x - Step 2: Convert to fraction form
12,039,060.93/18,058,542.70 = 4,360,908.84/x - Step 3: Cross multiply
12,039,060.93x = 18,058,542.70 × 4,360,908.84 - Step 4: Simplify right side
12,039,060.93x = 78,751,658,497,947.47 - Step 5: Solve for x
x = 78,751,658,497,947.47/12,039,060.93 - Step 6: Final answer
x = 6,541,345.62
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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.