Finding the Fourth Proportional to 10,894,552.65, 15,028,966.50 and 6,767,027.55
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Solution
The fourth proportional to 10,894,552.65, 15,028,966.50 and 6,767,027.55 is: 9,335,071.72
Step by Step Solution
- Step 1: Write the proportion equation
10,894,552.65 : 15,028,966.50 = 6,767,027.55 : x - Step 2: Convert to fraction form
10,894,552.65/15,028,966.50 = 6,767,027.55/x - Step 3: Cross multiply
10,894,552.65x = 15,028,966.50 × 6,767,027.55 - Step 4: Simplify right side
10,894,552.65x = 101,701,430,328,150.72 - Step 5: Solve for x
x = 101,701,430,328,150.72/10,894,552.65 - Step 6: Final answer
x = 9,335,071.72
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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.