Finding the Fourth Proportional to 10,314,723.88, 14,219,536.26 and 7,249,424.68
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Solution
The fourth proportional to 10,314,723.88, 14,219,536.26 and 7,249,424.68 is: 9,993,816.44
Step by Step Solution
- Step 1: Write the proportion equation
10,314,723.88 : 14,219,536.26 = 7,249,424.68 : x - Step 2: Convert to fraction form
10,314,723.88/14,219,536.26 = 7,249,424.68/x - Step 3: Cross multiply
10,314,723.88x = 14,219,536.26 × 7,249,424.68 - Step 4: Simplify right side
10,314,723.88x = 103,083,457,101,398.89 - Step 5: Solve for x
x = 103,083,457,101,398.89/10,314,723.88 - Step 6: Final answer
x = 9,993,816.44
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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.