Finding the Fourth Proportional to 26,578,660.65, 36,686,658.38 and 15,417,974.09
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Solution
The fourth proportional to 26,578,660.65, 36,686,658.38 and 15,417,974.09 is: 21,281,506.84
Step by Step Solution
- Step 1: Write the proportion equation
26,578,660.65 : 36,686,658.38 = 15,417,974.09 : x - Step 2: Convert to fraction form
26,578,660.65/36,686,658.38 = 15,417,974.09/x - Step 3: Cross multiply
26,578,660.65x = 36,686,658.38 × 15,417,974.09 - Step 4: Simplify right side
26,578,660.65x = 565,633,948,366,148.12 - Step 5: Solve for x
x = 565,633,948,366,148.12/26,578,660.65 - Step 6: Final answer
x = 21,281,506.84
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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.