Finding the Fourth Proportional to 19,555,422.16, 26,991,443.36 and 13,362,975.44
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Solution
The fourth proportional to 19,555,422.16, 26,991,443.36 and 13,362,975.44 is: 18,444,296.00
Step by Step Solution
- Step 1: Write the proportion equation
19,555,422.16 : 26,991,443.36 = 13,362,975.44 : x - Step 2: Convert to fraction form
19,555,422.16/26,991,443.36 = 13,362,975.44/x - Step 3: Cross multiply
19,555,422.16x = 26,991,443.36 × 13,362,975.44 - Step 4: Simplify right side
19,555,422.16x = 360,685,994,709,831.06 - Step 5: Solve for x
x = 360,685,994,709,831.06/19,555,422.16 - Step 6: Final answer
x = 18,444,296.00
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1.5x scale
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.