Finding the Fourth Proportional to 14,473,655.27, 19,973,644.36 and 7,947,284.76
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Solution
The fourth proportional to 14,473,655.27, 19,973,644.36 and 7,947,284.76 is: 10,967,253.02
Step by Step Solution
- Step 1: Write the proportion equation
14,473,655.27 : 19,973,644.36 = 7,947,284.76 : x - Step 2: Convert to fraction form
14,473,655.27/19,973,644.36 = 7,947,284.76/x - Step 3: Cross multiply
14,473,655.27x = 19,973,644.36 × 7,947,284.76 - Step 4: Simplify right side
14,473,655.27x = 158,736,239,404,019.75 - Step 5: Solve for x
x = 158,736,239,404,019.75/14,473,655.27 - Step 6: Final answer
x = 10,967,253.02
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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.