Finding the Fourth Proportional to 22,879,220.96, 31,565,643.08 and 12,954,749.84
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Solution
The fourth proportional to 22,879,220.96, 31,565,643.08 and 12,954,749.84 is: 17,873,205.14
Step by Step Solution
- Step 1: Write the proportion equation
22,879,220.96 : 31,565,643.08 = 12,954,749.84 : x - Step 2: Convert to fraction form
22,879,220.96/31,565,643.08 = 12,954,749.84/x - Step 3: Cross multiply
22,879,220.96x = 31,565,643.08 × 12,954,749.84 - Step 4: Simplify right side
22,879,220.96x = 408,925,009,640,127.06 - Step 5: Solve for x
x = 408,925,009,640,127.06/22,879,220.96 - Step 6: Final answer
x = 17,873,205.14
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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.