Finding the Fourth Proportional to 19,182,970.20, 26,484,230.16 and 12,483,686.46
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Solution
The fourth proportional to 19,182,970.20, 26,484,230.16 and 12,483,686.46 is: 17,235,121.67
Step by Step Solution
- Step 1: Write the proportion equation
19,182,970.20 : 26,484,230.16 = 12,483,686.46 : x - Step 2: Convert to fraction form
19,182,970.20/26,484,230.16 = 12,483,686.46/x - Step 3: Cross multiply
19,182,970.20x = 26,484,230.16 × 12,483,686.46 - Step 4: Simplify right side
19,182,970.20x = 330,620,825,451,915.69 - Step 5: Solve for x
x = 330,620,825,451,915.69/19,182,970.20 - Step 6: Final answer
x = 17,235,121.67
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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.