Finding the Fourth Proportional to 13,175,966.00, 18,182,829.04 and 7,374,746.21
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Solution
The fourth proportional to 13,175,966.00, 18,182,829.04 and 7,374,746.21 is: 10,177,147.50
Step by Step Solution
- Step 1: Write the proportion equation
13,175,966.00 : 18,182,829.04 = 7,374,746.21 : x - Step 2: Convert to fraction form
13,175,966.00/18,182,829.04 = 7,374,746.21/x - Step 3: Cross multiply
13,175,966.00x = 18,182,829.04 × 7,374,746.21 - Step 4: Simplify right side
13,175,966.00x = 134,093,749,440,466.94 - Step 5: Solve for x
x = 134,093,749,440,466.94/13,175,966.00 - Step 6: Final answer
x = 10,177,147.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.