Finding the Fourth Proportional to 13,304,467.70, 19,928,707.95 and 11,064,979.70
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Solution
The fourth proportional to 13,304,467.70, 19,928,707.95 and 11,064,979.70 is: 16,574,188.00
Step by Step Solution
- Step 1: Write the proportion equation
13,304,467.70 : 19,928,707.95 = 11,064,979.70 : x - Step 2: Convert to fraction form
13,304,467.70/19,928,707.95 = 11,064,979.70/x - Step 3: Cross multiply
13,304,467.70x = 19,928,707.95 × 11,064,979.70 - Step 4: Simplify right side
13,304,467.70x = 220,510,748,913,978.59 - Step 5: Solve for x
x = 220,510,748,913,978.59/13,304,467.70 - Step 6: Final answer
x = 16,574,188.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.