Finding the Fourth Proportional to 15,793,051.68, 21,794,418.72 and 8,549,707.68
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Solution
The fourth proportional to 15,793,051.68, 21,794,418.72 and 8,549,707.68 is: 11,798,600.61
Step by Step Solution
- Step 1: Write the proportion equation
15,793,051.68 : 21,794,418.72 = 8,549,707.68 : x - Step 2: Convert to fraction form
15,793,051.68/21,794,418.72 = 8,549,707.68/x - Step 3: Cross multiply
15,793,051.68x = 21,794,418.72 × 8,549,707.68 - Step 4: Simplify right side
15,793,051.68x = 186,335,909,111,519.75 - Step 5: Solve for x
x = 186,335,909,111,519.75/15,793,051.68 - Step 6: Final answer
x = 11,798,600.61
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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.