Finding the Fourth Proportional to 13,831,961.01, 20,748,937.98 and 5,312,297.49
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Solution
The fourth proportional to 13,831,961.01, 20,748,937.98 and 5,312,297.49 is: 7,968,828.94
Step by Step Solution
- Step 1: Write the proportion equation
13,831,961.01 : 20,748,937.98 = 5,312,297.49 : x - Step 2: Convert to fraction form
13,831,961.01/20,748,937.98 = 5,312,297.49/x - Step 3: Cross multiply
13,831,961.01x = 20,748,937.98 × 5,312,297.49 - Step 4: Simplify right side
13,831,961.01x = 110,224,531,151,319.67 - Step 5: Solve for x
x = 110,224,531,151,319.67/13,831,961.01 - Step 6: Final answer
x = 7,968,828.94
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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.