Finding the Fourth Proportional to 13,965,298.97, 19,271,809.98 and 8,085,180.92
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Solution
The fourth proportional to 13,965,298.97, 19,271,809.98 and 8,085,180.92 is: 11,157,374.48
Step by Step Solution
- Step 1: Write the proportion equation
13,965,298.97 : 19,271,809.98 = 8,085,180.92 : x - Step 2: Convert to fraction form
13,965,298.97/19,271,809.98 = 8,085,180.92/x - Step 3: Cross multiply
13,965,298.97x = 19,271,809.98 × 8,085,180.92 - Step 4: Simplify right side
13,965,298.97x = 155,816,070,247,802.53 - Step 5: Solve for x
x = 155,816,070,247,802.53/13,965,298.97 - Step 6: Final answer
x = 11,157,374.48
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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.