Finding the Fourth Proportional to 18,047,572.65, 24,905,480.66 and 9,787,817.23
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Solution
The fourth proportional to 18,047,572.65, 24,905,480.66 and 9,787,817.23 is: 13,507,095.80
Step by Step Solution
- Step 1: Write the proportion equation
18,047,572.65 : 24,905,480.66 = 9,787,817.23 : x - Step 2: Convert to fraction form
18,047,572.65/24,905,480.66 = 9,787,817.23/x - Step 3: Cross multiply
18,047,572.65x = 24,905,480.66 × 9,787,817.23 - Step 4: Simplify right side
18,047,572.65x = 243,770,292,725,379.78 - Step 5: Solve for x
x = 243,770,292,725,379.78/18,047,572.65 - Step 6: Final answer
x = 13,507,095.80
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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.