Finding the Fourth Proportional to 18,802,107.48, 28,203,829.47 and 6,020,951.46
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Solution
The fourth proportional to 18,802,107.48, 28,203,829.47 and 6,020,951.46 is: 9,031,641.18
Step by Step Solution
- Step 1: Write the proportion equation
18,802,107.48 : 28,203,829.47 = 6,020,951.46 : x - Step 2: Convert to fraction form
18,802,107.48/28,203,829.47 = 6,020,951.46/x - Step 3: Cross multiply
18,802,107.48x = 28,203,829.47 × 6,020,951.46 - Step 4: Simplify right side
18,802,107.48x = 169,813,888,224,987.53 - Step 5: Solve for x
x = 169,813,888,224,987.53/18,802,107.48 - Step 6: Final answer
x = 9,031,641.18
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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.