Finding the Fourth Proportional to 15,687,708.22, 21,651,393.99 and 9,579,660.22
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Solution
The fourth proportional to 15,687,708.22, 21,651,393.99 and 9,579,660.22 is: 13,221,370.18
Step by Step Solution
- Step 1: Write the proportion equation
15,687,708.22 : 21,651,393.99 = 9,579,660.22 : x - Step 2: Convert to fraction form
15,687,708.22/21,651,393.99 = 9,579,660.22/x - Step 3: Cross multiply
15,687,708.22x = 21,651,393.99 × 9,579,660.22 - Step 4: Simplify right side
15,687,708.22x = 207,412,997,713,550.06 - Step 5: Solve for x
x = 207,412,997,713,550.06/15,687,708.22 - Step 6: Final answer
x = 13,221,370.18
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.