Finding the Fourth Proportional to 8,917,557.58, 12,306,253.08 and 5,246,612.47
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Solution
The fourth proportional to 8,917,557.58, 12,306,253.08 and 5,246,612.47 is: 7,240,339.11
Step by Step Solution
- Step 1: Write the proportion equation
8,917,557.58 : 12,306,253.08 = 5,246,612.47 : x - Step 2: Convert to fraction form
8,917,557.58/12,306,253.08 = 5,246,612.47/x - Step 3: Cross multiply
8,917,557.58x = 12,306,253.08 × 5,246,612.47 - Step 4: Simplify right side
8,917,557.58x = 64,566,140,868,503.91 - Step 5: Solve for x
x = 64,566,140,868,503.91/8,917,557.58 - Step 6: Final answer
x = 7,240,339.11
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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.