Finding the Fourth Proportional to 10,257,028.59, 14,154,231.20 and 5,610,747.09
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Solution
The fourth proportional to 10,257,028.59, 14,154,231.20 and 5,610,747.09 is: 7,742,574.84
Step by Step Solution
- Step 1: Write the proportion equation
10,257,028.59 : 14,154,231.20 = 5,610,747.09 : x - Step 2: Convert to fraction form
10,257,028.59/14,154,231.20 = 5,610,747.09/x - Step 3: Cross multiply
10,257,028.59x = 14,154,231.20 × 5,610,747.09 - Step 4: Simplify right side
10,257,028.59x = 79,415,811,488,533.47 - Step 5: Solve for x
x = 79,415,811,488,533.47/10,257,028.59 - Step 6: Final answer
x = 7,742,574.84
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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.