Finding the Fourth Proportional to 19,763,156.04, 27,251,497.54 and 12,874,864.20
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Solution
The fourth proportional to 19,763,156.04, 27,251,497.54 and 12,874,864.20 is: 17,753,203.45
Step by Step Solution
- Step 1: Write the proportion equation
19,763,156.04 : 27,251,497.54 = 12,874,864.20 : x - Step 2: Convert to fraction form
19,763,156.04/27,251,497.54 = 12,874,864.20/x - Step 3: Cross multiply
19,763,156.04x = 27,251,497.54 × 12,874,864.20 - Step 4: Simplify right side
19,763,156.04x = 350,859,330,074,134.06 - Step 5: Solve for x
x = 350,859,330,074,134.06/19,763,156.04 - Step 6: Final answer
x = 17,753,203.45
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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.