Finding the Fourth Proportional to 13,035,415.08, 18,003,802.71 and 8,584,865.28
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Solution
The fourth proportional to 13,035,415.08, 18,003,802.71 and 8,584,865.28 is: 11,856,946.62
Step by Step Solution
- Step 1: Write the proportion equation
13,035,415.08 : 18,003,802.71 = 8,584,865.28 : x - Step 2: Convert to fraction form
13,035,415.08/18,003,802.71 = 8,584,865.28/x - Step 3: Cross multiply
13,035,415.08x = 18,003,802.71 × 8,584,865.28 - Step 4: Simplify right side
13,035,415.08x = 154,560,220,793,048.91 - Step 5: Solve for x
x = 154,560,220,793,048.91/13,035,415.08 - Step 6: Final answer
x = 11,856,946.62
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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.