Finding the Fourth Proportional to 19,533,257.36, 26,956,390.09 and 10,713,059.78
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Solution
The fourth proportional to 19,533,257.36, 26,956,390.09 and 10,713,059.78 is: 14,784,293.95
Step by Step Solution
- Step 1: Write the proportion equation
19,533,257.36 : 26,956,390.09 = 10,713,059.78 : x - Step 2: Convert to fraction form
19,533,257.36/26,956,390.09 = 10,713,059.78/x - Step 3: Cross multiply
19,533,257.36x = 26,956,390.09 × 10,713,059.78 - Step 4: Simplify right side
19,533,257.36x = 288,785,418,487,169.56 - Step 5: Solve for x
x = 288,785,418,487,169.56/19,533,257.36 - Step 6: Final answer
x = 14,784,293.95
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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.