Finding the Fourth Proportional to 15,138,031.20, 22,710,662.64 and 5,040,739.68
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Solution
The fourth proportional to 15,138,031.20, 22,710,662.64 and 5,040,739.68 is: 7,562,313.54
Step by Step Solution
- Step 1: Write the proportion equation
15,138,031.20 : 22,710,662.64 = 5,040,739.68 : x - Step 2: Convert to fraction form
15,138,031.20/22,710,662.64 = 5,040,739.68/x - Step 3: Cross multiply
15,138,031.20x = 22,710,662.64 × 5,040,739.68 - Step 4: Simplify right side
15,138,031.20x = 114,478,538,328,541.55 - Step 5: Solve for x
x = 114,478,538,328,541.55/15,138,031.20 - Step 6: Final answer
x = 7,562,313.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.