Finding the Fourth Proportional to 19,873,926.73, 27,426,134.00 and 11,172,023.20
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Solution
The fourth proportional to 19,873,926.73, 27,426,134.00 and 11,172,023.20 is: 15,417,456.72
Step by Step Solution
- Step 1: Write the proportion equation
19,873,926.73 : 27,426,134.00 = 11,172,023.20 : x - Step 2: Convert to fraction form
19,873,926.73/27,426,134.00 = 11,172,023.20/x - Step 3: Cross multiply
19,873,926.73x = 27,426,134.00 × 11,172,023.20 - Step 4: Simplify right side
19,873,926.73x = 306,405,405,141,318.06 - Step 5: Solve for x
x = 306,405,405,141,318.06/19,873,926.73 - Step 6: Final answer
x = 15,417,456.72
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.