Finding the Fourth Proportional to 13,497,297.86, 18,626,220 and 7,302,325.10
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Solution
The fourth proportional to 13,497,297.86, 18,626,220 and 7,302,325.10 is: 10,077,181.02
Step by Step Solution
- Step 1: Write the proportion equation
13,497,297.86 : 18,626,220 = 7,302,325.10 : x - Step 2: Convert to fraction form
13,497,297.86/18,626,220 = 7,302,325.10/x - Step 3: Cross multiply
13,497,297.86x = 18,626,220 × 7,302,325.10 - Step 4: Simplify right side
13,497,297.86x = 136,014,713,824,122 - Step 5: Solve for x
x = 136,014,713,824,122/13,497,297.86 - Step 6: Final answer
x = 10,077,181.02
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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.