Finding the Fourth Proportional to 7,448,746.10, 11,173,119.15 and 6,645,679.70
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Solution
The fourth proportional to 7,448,746.10, 11,173,119.15 and 6,645,679.70 is: 9,968,519.55
Step by Step Solution
- Step 1: Write the proportion equation
7,448,746.10 : 11,173,119.15 = 6,645,679.70 : x - Step 2: Convert to fraction form
7,448,746.10/11,173,119.15 = 6,645,679.70/x - Step 3: Cross multiply
7,448,746.10x = 11,173,119.15 × 6,645,679.70 - Step 4: Simplify right side
7,448,746.10x = 74,252,971,120,836.27 - Step 5: Solve for x
x = 74,252,971,120,836.27/7,448,746.10 - Step 6: Final answer
x = 9,968,519.55
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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.