Finding the Fourth Proportional to 32,374,645.90, 48,561,968.85 and 8,440,117.90
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Solution
The fourth proportional to 32,374,645.90, 48,561,968.85 and 8,440,117.90 is: 12,660,176.85
Step by Step Solution
- Step 1: Write the proportion equation
32,374,645.90 : 48,561,968.85 = 8,440,117.90 : x - Step 2: Convert to fraction form
32,374,645.90/48,561,968.85 = 8,440,117.90/x - Step 3: Cross multiply
32,374,645.90x = 48,561,968.85 × 8,440,117.90 - Step 4: Simplify right side
32,374,645.90x = 409,868,742,550,127.44 - Step 5: Solve for x
x = 409,868,742,550,127.44/32,374,645.90 - Step 6: Final answer
x = 12,660,176.85
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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.