Finding the Fourth Proportional to 13,248,424.12, 19,872,634.56 and 4,272,976.12
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Solution
The fourth proportional to 13,248,424.12, 19,872,634.56 and 4,272,976.12 is: 6,409,463.66
Step by Step Solution
- Step 1: Write the proportion equation
13,248,424.12 : 19,872,634.56 = 4,272,976.12 : x - Step 2: Convert to fraction form
13,248,424.12/19,872,634.56 = 4,272,976.12/x - Step 3: Cross multiply
13,248,424.12x = 19,872,634.56 × 4,272,976.12 - Step 4: Simplify right side
13,248,424.12x = 84,915,292,916,366.70 - Step 5: Solve for x
x = 84,915,292,916,366.70/13,248,424.12 - Step 6: Final answer
x = 6,409,463.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.