Finding the Fourth Proportional to 19,983,134.16, 27,577,392.84 and 12,246,681.60
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Solution
The fourth proportional to 19,983,134.16, 27,577,392.84 and 12,246,681.60 is: 16,900,829.81
Step by Step Solution
- Step 1: Write the proportion equation
19,983,134.16 : 27,577,392.84 = 12,246,681.60 : x - Step 2: Convert to fraction form
19,983,134.16/27,577,392.84 = 12,246,681.60/x - Step 3: Cross multiply
19,983,134.16x = 27,577,392.84 × 12,246,681.60 - Step 4: Simplify right side
19,983,134.16x = 337,731,549,469,599.75 - Step 5: Solve for x
x = 337,731,549,469,599.75/19,983,134.16 - Step 6: Final answer
x = 16,900,829.81
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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.