Finding the Fourth Proportional to 13,543,341.24, 18,689,800.86 and 7,742,250.84
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Solution
The fourth proportional to 13,543,341.24, 18,689,800.86 and 7,742,250.84 is: 10,684,300.41
Step by Step Solution
- Step 1: Write the proportion equation
13,543,341.24 : 18,689,800.86 = 7,742,250.84 : x - Step 2: Convert to fraction form
13,543,341.24/18,689,800.86 = 7,742,250.84/x - Step 3: Cross multiply
13,543,341.24x = 18,689,800.86 × 7,742,250.84 - Step 4: Simplify right side
13,543,341.24x = 144,701,126,407,767.72 - Step 5: Solve for x
x = 144,701,126,407,767.72/13,543,341.24 - Step 6: Final answer
x = 10,684,300.41
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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.