Finding the Fourth Proportional to 10,129,106.25, 13,964,275.12 and 6,406,081.66
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Solution
The fourth proportional to 10,129,106.25, 13,964,275.12 and 6,406,081.66 is: 8,831,607.11
Step by Step Solution
- Step 1: Write the proportion equation
10,129,106.25 : 13,964,275.12 = 6,406,081.66 : x - Step 2: Convert to fraction form
10,129,106.25/13,964,275.12 = 6,406,081.66/x - Step 3: Cross multiply
10,129,106.25x = 13,964,275.12 × 6,406,081.66 - Step 4: Simplify right side
10,129,106.25x = 89,456,286,798,874.78 - Step 5: Solve for x
x = 89,456,286,798,874.78/10,129,106.25 - Step 6: Final answer
x = 8,831,607.11
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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.