Finding the Fourth Proportional to 19,520,143.36, 26,937,797.30 and 10,819,623.13
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Solution
The fourth proportional to 19,520,143.36, 26,937,797.30 and 10,819,623.13 is: 14,931,079.62
Step by Step Solution
- Step 1: Write the proportion equation
19,520,143.36 : 26,937,797.30 = 10,819,623.13 : x - Step 2: Convert to fraction form
19,520,143.36/26,937,797.30 = 10,819,623.13/x - Step 3: Cross multiply
19,520,143.36x = 26,937,797.30 × 10,819,623.13 - Step 4: Simplify right side
19,520,143.36x = 291,456,814,657,462.50 - Step 5: Solve for x
x = 291,456,814,657,462.50/19,520,143.36 - Step 6: Final answer
x = 14,931,079.62
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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.