Finding the Fourth Proportional to 8,549,621.12, 11,798,248.60 and 4,878,470.99
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Solution
The fourth proportional to 8,549,621.12, 11,798,248.60 and 4,878,470.99 is: 6,732,159.56
Step by Step Solution
- Step 1: Write the proportion equation
8,549,621.12 : 11,798,248.60 = 4,878,470.99 : x - Step 2: Convert to fraction form
8,549,621.12/11,798,248.60 = 4,878,470.99/x - Step 3: Cross multiply
8,549,621.12x = 11,798,248.60 × 4,878,470.99 - Step 4: Simplify right side
8,549,621.12x = 57,557,413,527,908.12 - Step 5: Solve for x
x = 57,557,413,527,908.12/8,549,621.12 - Step 6: Final answer
x = 6,732,159.56
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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.