Finding the Fourth Proportional to 19,055,873.99, 28,583,754.41 and 5,409,031.92
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Solution
The fourth proportional to 19,055,873.99, 28,583,754.41 and 5,409,031.92 is: 8,113,531.82
Step by Step Solution
- Step 1: Write the proportion equation
19,055,873.99 : 28,583,754.41 = 5,409,031.92 : x - Step 2: Convert to fraction form
19,055,873.99/28,583,754.41 = 5,409,031.92/x - Step 3: Cross multiply
19,055,873.99x = 28,583,754.41 × 5,409,031.92 - Step 4: Simplify right side
19,055,873.99x = 154,610,439,997,130.78 - Step 5: Solve for x
x = 154,610,439,997,130.78/19,055,873.99 - Step 6: Final answer
x = 8,113,531.82
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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.