Finding the Fourth Proportional to 26,644,680.72, 39,968,474.58 and 8,447,559.84
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Solution
The fourth proportional to 26,644,680.72, 39,968,474.58 and 8,447,559.84 is: 12,671,800.58
Step by Step Solution
- Step 1: Write the proportion equation
26,644,680.72 : 39,968,474.58 = 8,447,559.84 : x - Step 2: Convert to fraction form
26,644,680.72/39,968,474.58 = 8,447,559.84/x - Step 3: Cross multiply
26,644,680.72x = 39,968,474.58 × 8,447,559.84 - Step 4: Simplify right side
26,644,680.72x = 337,636,080,728,068.88 - Step 5: Solve for x
x = 337,636,080,728,068.88/26,644,680.72 - Step 6: Final answer
x = 12,671,800.58
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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.