Finding the Fourth Proportional to 14,344,812.64, 19,795,848.76 and 8,149,870.07
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Solution
The fourth proportional to 14,344,812.64, 19,795,848.76 and 8,149,870.07 is: 11,246,824.85
Step by Step Solution
- Step 1: Write the proportion equation
14,344,812.64 : 19,795,848.76 = 8,149,870.07 : x - Step 2: Convert to fraction form
14,344,812.64/19,795,848.76 = 8,149,870.07/x - Step 3: Cross multiply
14,344,812.64x = 19,795,848.76 × 8,149,870.07 - Step 4: Simplify right side
14,344,812.64x = 161,333,595,319,370.62 - Step 5: Solve for x
x = 161,333,595,319,370.62/14,344,812.64 - Step 6: Final answer
x = 11,246,824.85
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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.