Finding the Fourth Proportional to 19,499,415.24, 26,909,176.44 and 10,797,587.70
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Solution
The fourth proportional to 19,499,415.24, 26,909,176.44 and 10,797,587.70 is: 14,900,661.84
Step by Step Solution
- Step 1: Write the proportion equation
19,499,415.24 : 26,909,176.44 = 10,797,587.70 : x - Step 2: Convert to fraction form
19,499,415.24/26,909,176.44 = 10,797,587.70/x - Step 3: Cross multiply
19,499,415.24x = 26,909,176.44 × 10,797,587.70 - Step 4: Simplify right side
19,499,415.24x = 290,554,192,545,673.81 - Step 5: Solve for x
x = 290,554,192,545,673.81/19,499,415.24 - Step 6: Final answer
x = 14,900,661.84
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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.