Finding the Fourth Proportional to 11,053,862.64, 15,254,362.08 and 6,408,550.80
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Solution
The fourth proportional to 11,053,862.64, 15,254,362.08 and 6,408,550.80 is: 8,843,818.45
Step by Step Solution
- Step 1: Write the proportion equation
11,053,862.64 : 15,254,362.08 = 6,408,550.80 : x - Step 2: Convert to fraction form
11,053,862.64/15,254,362.08 = 6,408,550.80/x - Step 3: Cross multiply
11,053,862.64x = 15,254,362.08 × 6,408,550.80 - Step 4: Simplify right side
11,053,862.64x = 97,758,354,311,273.66 - Step 5: Solve for x
x = 97,758,354,311,273.66/11,053,862.64 - Step 6: Final answer
x = 8,843,818.45
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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.