Finding the Fourth Proportional to 7,762,536.16, 11,643,258.40 and 2,903,915.68
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Solution
The fourth proportional to 7,762,536.16, 11,643,258.40 and 2,903,915.68 is: 4,355,669.32
Step by Step Solution
- Step 1: Write the proportion equation
7,762,536.16 : 11,643,258.40 = 2,903,915.68 : x - Step 2: Convert to fraction form
7,762,536.16/11,643,258.40 = 2,903,915.68/x - Step 3: Cross multiply
7,762,536.16x = 11,643,258.40 × 2,903,915.68 - Step 4: Simplify right side
7,762,536.16x = 33,811,040,634,051.71 - Step 5: Solve for x
x = 33,811,040,634,051.71/7,762,536.16 - Step 6: Final answer
x = 4,355,669.32
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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.