Finding the Fourth Proportional to 33,838,490.79, 46,697,176.53 and 18,368,585.91
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Solution
The fourth proportional to 33,838,490.79, 46,697,176.53 and 18,368,585.91 is: 25,348,680.71
Step by Step Solution
- Step 1: Write the proportion equation
33,838,490.79 : 46,697,176.53 = 18,368,585.91 : x - Step 2: Convert to fraction form
33,838,490.79/46,697,176.53 = 18,368,585.91/x - Step 3: Cross multiply
33,838,490.79x = 46,697,176.53 × 18,368,585.91 - Step 4: Simplify right side
33,838,490.79x = 857,761,098,845,740.75 - Step 5: Solve for x
x = 857,761,098,845,740.75/33,838,490.79 - Step 6: Final answer
x = 25,348,680.71
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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.