Finding the Fourth Proportional to 13,943,895.86, 19,243,043.60 and 7,749,203.67
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Solution
The fourth proportional to 13,943,895.86, 19,243,043.60 and 7,749,203.67 is: 10,694,160.77
Step by Step Solution
- Step 1: Write the proportion equation
13,943,895.86 : 19,243,043.60 = 7,749,203.67 : x - Step 2: Convert to fraction form
13,943,895.86/19,243,043.60 = 7,749,203.67/x - Step 3: Cross multiply
13,943,895.86x = 19,243,043.60 × 7,749,203.67 - Step 4: Simplify right side
13,943,895.86x = 149,118,264,048,343.97 - Step 5: Solve for x
x = 149,118,264,048,343.97/13,943,895.86 - Step 6: Final answer
x = 10,694,160.77
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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.