Finding the Fourth Proportional to 16,209,512.06, 22,370,341.20 and 9,240,355.76
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Solution
The fourth proportional to 16,209,512.06, 22,370,341.20 and 9,240,355.76 is: 12,752,383.32
Step by Step Solution
- Step 1: Write the proportion equation
16,209,512.06 : 22,370,341.20 = 9,240,355.76 : x - Step 2: Convert to fraction form
16,209,512.06/22,370,341.20 = 9,240,355.76/x - Step 3: Cross multiply
16,209,512.06x = 22,370,341.20 × 9,240,355.76 - Step 4: Simplify right side
16,209,512.06x = 206,709,911,160,585.31 - Step 5: Solve for x
x = 206,709,911,160,585.31/16,209,512.06 - Step 6: Final answer
x = 12,752,383.32
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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.