Finding the Fourth Proportional to 14,342,234.32, 19,791,707.47 and 7,815,724.68
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Solution
The fourth proportional to 14,342,234.32, 19,791,707.47 and 7,815,724.68 is: 10,785,386.23
Step by Step Solution
- Step 1: Write the proportion equation
14,342,234.32 : 19,791,707.47 = 7,815,724.68 : x - Step 2: Convert to fraction form
14,342,234.32/19,791,707.47 = 7,815,724.68/x - Step 3: Cross multiply
14,342,234.32x = 19,791,707.47 × 7,815,724.68 - Step 4: Simplify right side
14,342,234.32x = 154,686,536,532,619.34 - Step 5: Solve for x
x = 154,686,536,532,619.34/14,342,234.32 - Step 6: Final answer
x = 10,785,386.23
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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.