Finding the Fourth Proportional to 19,964,848.38, 27,551,509.08 and 10,797,491.13
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Solution
The fourth proportional to 19,964,848.38, 27,551,509.08 and 10,797,491.13 is: 14,900,547.66
Step by Step Solution
- Step 1: Write the proportion equation
19,964,848.38 : 27,551,509.08 = 10,797,491.13 : x - Step 2: Convert to fraction form
19,964,848.38/27,551,509.08 = 10,797,491.13/x - Step 3: Cross multiply
19,964,848.38x = 27,551,509.08 × 10,797,491.13 - Step 4: Simplify right side
19,964,848.38x = 297,487,174,909,414.44 - Step 5: Solve for x
x = 297,487,174,909,414.44/19,964,848.38 - Step 6: Final answer
x = 14,900,547.66
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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.