Finding the Fourth Proportional to 15,281,228.40, 22,913,954.81 and 4,497,128.97
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Solution
The fourth proportional to 15,281,228.40, 22,913,954.81 and 4,497,128.97 is: 6,743,372.15
Step by Step Solution
- Step 1: Write the proportion equation
15,281,228.40 : 22,913,954.81 = 4,497,128.97 : x - Step 2: Convert to fraction form
15,281,228.40/22,913,954.81 = 4,497,128.97/x - Step 3: Cross multiply
15,281,228.40x = 22,913,954.81 × 4,497,128.97 - Step 4: Simplify right side
15,281,228.40x = 103,047,009,970,836.19 - Step 5: Solve for x
x = 103,047,009,970,836.19/15,281,228.40 - Step 6: Final answer
x = 6,743,372.15
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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.