Finding the Fourth Proportional to 13,859,903.99, 19,126,794.47 and 7,664,630.54
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Solution
The fourth proportional to 13,859,903.99, 19,126,794.47 and 7,664,630.54 is: 10,577,260.35
Step by Step Solution
- Step 1: Write the proportion equation
13,859,903.99 : 19,126,794.47 = 7,664,630.54 : x - Step 2: Convert to fraction form
13,859,903.99/19,126,794.47 = 7,664,630.54/x - Step 3: Cross multiply
13,859,903.99x = 19,126,794.47 × 7,664,630.54 - Step 4: Simplify right side
13,859,903.99x = 146,599,812,893,108 - Step 5: Solve for x
x = 146,599,812,893,108/13,859,903.99 - Step 6: Final answer
x = 10,577,260.35
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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.