Finding the Fourth Proportional to 19,872,102.80, 27,426,405.96 and 11,170,992.08
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Solution
The fourth proportional to 19,872,102.80, 27,426,405.96 and 11,170,992.08 is: 15,417,601.59
Step by Step Solution
- Step 1: Write the proportion equation
19,872,102.80 : 27,426,405.96 = 11,170,992.08 : x - Step 2: Convert to fraction form
19,872,102.80/27,426,405.96 = 11,170,992.08/x - Step 3: Cross multiply
19,872,102.80x = 27,426,405.96 × 11,170,992.08 - Step 4: Simplify right side
19,872,102.80x = 306,380,163,762,024.81 - Step 5: Solve for x
x = 306,380,163,762,024.81/19,872,102.80 - Step 6: Final answer
x = 15,417,601.59
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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.