Finding the Fourth Proportional to 19,579,695.84, 27,011,287.08 and 13,046,951.88
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Solution
The fourth proportional to 19,579,695.84, 27,011,287.08 and 13,046,951.88 is: 17,999,000.88
Step by Step Solution
- Step 1: Write the proportion equation
19,579,695.84 : 27,011,287.08 = 13,046,951.88 : x - Step 2: Convert to fraction form
19,579,695.84/27,011,287.08 = 13,046,951.88/x - Step 3: Cross multiply
19,579,695.84x = 27,011,287.08 × 13,046,951.88 - Step 4: Simplify right side
19,579,695.84x = 352,414,962,749,625.69 - Step 5: Solve for x
x = 352,414,962,749,625.69/19,579,695.84 - Step 6: Final answer
x = 17,999,000.88
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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.