Finding the Fourth Proportional to 11,415,530.16, 15,753,426.48 and 6,258,781.80
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Solution
The fourth proportional to 11,415,530.16, 15,753,426.48 and 6,258,781.80 is: 8,637,116.07
Step by Step Solution
- Step 1: Write the proportion equation
11,415,530.16 : 15,753,426.48 = 6,258,781.80 : x - Step 2: Convert to fraction form
11,415,530.16/15,753,426.48 = 6,258,781.80/x - Step 3: Cross multiply
11,415,530.16x = 15,753,426.48 × 6,258,781.80 - Step 4: Simplify right side
11,415,530.16x = 98,597,258,940,662.06 - Step 5: Solve for x
x = 98,597,258,940,662.06/11,415,530.16 - Step 6: Final answer
x = 8,637,116.07
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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.