Finding the Fourth Proportional to 10,105,394.64, 15,130,929.44 and 7,697,770.08
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Solution
The fourth proportional to 10,105,394.64, 15,130,929.44 and 7,697,770.08 is: 11,525,964.11
Step by Step Solution
- Step 1: Write the proportion equation
10,105,394.64 : 15,130,929.44 = 7,697,770.08 : x - Step 2: Convert to fraction form
10,105,394.64/15,130,929.44 = 7,697,770.08/x - Step 3: Cross multiply
10,105,394.64x = 15,130,929.44 × 7,697,770.08 - Step 4: Simplify right side
10,105,394.64x = 116,474,415,925,823.16 - Step 5: Solve for x
x = 116,474,415,925,823.16/10,105,394.64 - Step 6: Final answer
x = 11,525,964.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.