Finding the Fourth Proportional to 14,445,862.52, 19,935,163.08 and 7,919,373.44
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Solution
The fourth proportional to 14,445,862.52, 19,935,163.08 and 7,919,373.44 is: 10,928,665.62
Step by Step Solution
- Step 1: Write the proportion equation
14,445,862.52 : 19,935,163.08 = 7,919,373.44 : x - Step 2: Convert to fraction form
14,445,862.52/19,935,163.08 = 7,919,373.44/x - Step 3: Cross multiply
14,445,862.52x = 19,935,163.08 × 7,919,373.44 - Step 4: Simplify right side
14,445,862.52x = 157,874,001,017,820.59 - Step 5: Solve for x
x = 157,874,001,017,820.59/14,445,862.52 - Step 6: Final answer
x = 10,928,665.62
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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.