Finding the Fourth Proportional to 62,729,078.95, 94,083,182.02 and 18,999,440.54
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Solution
The fourth proportional to 62,729,078.95, 94,083,182.02 and 18,999,440.54 is: 28,495,999.82
Step by Step Solution
- Step 1: Write the proportion equation
62,729,078.95 : 94,083,182.02 = 18,999,440.54 : x - Step 2: Convert to fraction form
62,729,078.95/94,083,182.02 = 18,999,440.54/x - Step 3: Cross multiply
62,729,078.95x = 94,083,182.02 × 18,999,440.54 - Step 4: Simplify right side
62,729,078.95x = 1,787,527,822,602,987 - Step 5: Solve for x
x = 1,787,527,822,602,987/62,729,078.95 - Step 6: Final answer
x = 28,495,999.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.