Finding the Fourth Proportional to 26,645,957.51, 39,970,363.28 and 8,451,532.98
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Solution
The fourth proportional to 26,645,957.51, 39,970,363.28 and 8,451,532.98 is: 12,677,752.09
Step by Step Solution
- Step 1: Write the proportion equation
26,645,957.51 : 39,970,363.28 = 8,451,532.98 : x - Step 2: Convert to fraction form
26,645,957.51/39,970,363.28 = 8,451,532.98/x - Step 3: Cross multiply
26,645,957.51x = 39,970,363.28 × 8,451,532.98 - Step 4: Simplify right side
26,645,957.51x = 337,810,843,441,243.31 - Step 5: Solve for x
x = 337,810,843,441,243.31/26,645,957.51 - Step 6: Final answer
x = 12,677,752.09
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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.