Finding the Fourth Proportional to 14,364,442.56, 19,823,409.22 and 7,838,430.12
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Solution
The fourth proportional to 14,364,442.56, 19,823,409.22 and 7,838,430.12 is: 10,817,294.66
Step by Step Solution
- Step 1: Write the proportion equation
14,364,442.56 : 19,823,409.22 = 7,838,430.12 : x - Step 2: Convert to fraction form
14,364,442.56/19,823,409.22 = 7,838,430.12/x - Step 3: Cross multiply
14,364,442.56x = 19,823,409.22 × 7,838,430.12 - Step 4: Simplify right side
14,364,442.56x = 155,384,407,822,921.44 - Step 5: Solve for x
x = 155,384,407,822,921.44/14,364,442.56 - Step 6: Final answer
x = 10,817,294.66
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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.