Finding the Fourth Proportional to 19,579,964.16, 26,986,147.97 and 14,341,843.83
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Solution
The fourth proportional to 19,579,964.16, 26,986,147.97 and 14,341,843.83 is: 19,766,691.94
Step by Step Solution
- Step 1: Write the proportion equation
19,579,964.16 : 26,986,147.97 = 14,341,843.83 : x - Step 2: Convert to fraction form
19,579,964.16/26,986,147.97 = 14,341,843.83/x - Step 3: Cross multiply
19,579,964.16x = 26,986,147.97 × 14,341,843.83 - Step 4: Simplify right side
19,579,964.16x = 387,031,119,759,011.50 - Step 5: Solve for x
x = 387,031,119,759,011.50/19,579,964.16 - Step 6: Final answer
x = 19,766,691.94
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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.