Finding the Fourth Proportional to 28,159,829.74, 42,246,335.34 and 8,728,040.17
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Solution
The fourth proportional to 28,159,829.74, 42,246,335.34 and 8,728,040.17 is: 13,094,103.03
Step by Step Solution
- Step 1: Write the proportion equation
28,159,829.74 : 42,246,335.34 = 8,728,040.17 : x - Step 2: Convert to fraction form
28,159,829.74/42,246,335.34 = 8,728,040.17/x - Step 3: Cross multiply
28,159,829.74x = 42,246,335.34 × 8,728,040.17 - Step 4: Simplify right side
28,159,829.74x = 368,727,711,882,810.62 - Step 5: Solve for x
x = 368,727,711,882,810.62/28,159,829.74 - Step 6: Final answer
x = 13,094,103.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.