Finding the Fourth Proportional to 13,316,494.10, 18,371,533.11 and 7,733,790.23
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Solution
The fourth proportional to 13,316,494.10, 18,371,533.11 and 7,733,790.23 is: 10,669,593.83
Step by Step Solution
- Step 1: Write the proportion equation
13,316,494.10 : 18,371,533.11 = 7,733,790.23 : x - Step 2: Convert to fraction form
13,316,494.10/18,371,533.11 = 7,733,790.23/x - Step 3: Cross multiply
13,316,494.10x = 18,371,533.11 × 7,733,790.23 - Step 4: Simplify right side
13,316,494.10x = 142,081,583,276,239.53 - Step 5: Solve for x
x = 142,081,583,276,239.53/13,316,494.10 - Step 6: Final answer
x = 10,669,593.83
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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.