Finding the Fourth Proportional to 19,125,889.70, 26,394,342.48 and 10,865,800.89
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Solution
The fourth proportional to 19,125,889.70, 26,394,342.48 and 10,865,800.89 is: 14,995,154.45
Step by Step Solution
- Step 1: Write the proportion equation
19,125,889.70 : 26,394,342.48 = 10,865,800.89 : x - Step 2: Convert to fraction form
19,125,889.70/26,394,342.48 = 10,865,800.89/x - Step 3: Cross multiply
19,125,889.70x = 26,394,342.48 × 10,865,800.89 - Step 4: Simplify right side
19,125,889.70x = 286,795,670,010,148.81 - Step 5: Solve for x
x = 286,795,670,010,148.81/19,125,889.70 - Step 6: Final answer
x = 14,995,154.45
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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.