Finding the Fourth Proportional to 11,046,320.56, 15,243,497.20 and 6,151,748.96
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Solution
The fourth proportional to 11,046,320.56, 15,243,497.20 and 6,151,748.96 is: 8,489,176.78
Step by Step Solution
- Step 1: Write the proportion equation
11,046,320.56 : 15,243,497.20 = 6,151,748.96 : x - Step 2: Convert to fraction form
11,046,320.56/15,243,497.20 = 6,151,748.96/x - Step 3: Cross multiply
11,046,320.56x = 15,243,497.20 × 6,151,748.96 - Step 4: Simplify right side
11,046,320.56x = 93,774,168,046,862.91 - Step 5: Solve for x
x = 93,774,168,046,862.91/11,046,320.56 - Step 6: Final answer
x = 8,489,176.78
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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.