Finding the Fourth Proportional to 7,307,987.13, 10,963,087.56 and 5,301,372.92
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Solution
The fourth proportional to 7,307,987.13, 10,963,087.56 and 5,301,372.92 is: 7,952,862.32
Step by Step Solution
- Step 1: Write the proportion equation
7,307,987.13 : 10,963,087.56 = 5,301,372.92 : x - Step 2: Convert to fraction form
7,307,987.13/10,963,087.56 = 5,301,372.92/x - Step 3: Cross multiply
7,307,987.13x = 10,963,087.56 × 5,301,372.92 - Step 4: Simplify right side
7,307,987.13x = 58,119,415,455,357.44 - Step 5: Solve for x
x = 58,119,415,455,357.44/7,307,987.13 - Step 6: Final answer
x = 7,952,862.32
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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.