Finding the Fourth Proportional to 51,232,609.28, 76,848,898.56 and 19,312,440.32
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Solution
The fourth proportional to 51,232,609.28, 76,848,898.56 and 19,312,440.32 is: 28,968,654.69
Step by Step Solution
- Step 1: Write the proportion equation
51,232,609.28 : 76,848,898.56 = 19,312,440.32 : x - Step 2: Convert to fraction form
51,232,609.28/76,848,898.56 = 19,312,440.32/x - Step 3: Cross multiply
51,232,609.28x = 76,848,898.56 × 19,312,440.32 - Step 4: Simplify right side
51,232,609.28x = 1,484,139,767,097,734 - Step 5: Solve for x
x = 1,484,139,767,097,734/51,232,609.28 - Step 6: Final answer
x = 28,968,654.69
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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.