Finding the Fourth Proportional to 11,553,164.16, 15,943,609.80 and 6,326,392.56
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Solution
The fourth proportional to 11,553,164.16, 15,943,609.80 and 6,326,392.56 is: 8,730,554.94
Step by Step Solution
- Step 1: Write the proportion equation
11,553,164.16 : 15,943,609.80 = 6,326,392.56 : x - Step 2: Convert to fraction form
11,553,164.16/15,943,609.80 = 6,326,392.56/x - Step 3: Cross multiply
11,553,164.16x = 15,943,609.80 × 6,326,392.56 - Step 4: Simplify right side
11,553,164.16x = 100,865,534,418,263.09 - Step 5: Solve for x
x = 100,865,534,418,263.09/11,553,164.16 - Step 6: Final answer
x = 8,730,554.94
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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.