Finding the Fourth Proportional to 13,297,430.44, 18,349,663.41 and 7,715,244.49
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Solution
The fourth proportional to 13,297,430.44, 18,349,663.41 and 7,715,244.49 is: 10,646,578.68
Step by Step Solution
- Step 1: Write the proportion equation
13,297,430.44 : 18,349,663.41 = 7,715,244.49 : x - Step 2: Convert to fraction form
13,297,430.44/18,349,663.41 = 7,715,244.49/x - Step 3: Cross multiply
13,297,430.44x = 18,349,663.41 × 7,715,244.49 - Step 4: Simplify right side
13,297,430.44x = 141,572,139,471,482.94 - Step 5: Solve for x
x = 141,572,139,471,482.94/13,297,430.44 - Step 6: Final answer
x = 10,646,578.68
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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.