Finding the Fourth Proportional to 11,412,088.16, 15,739,498.79 and 10,032,482.09
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Solution
The fourth proportional to 11,412,088.16, 15,739,498.79 and 10,032,482.09 is: 13,836,752.52
Step by Step Solution
- Step 1: Write the proportion equation
11,412,088.16 : 15,739,498.79 = 10,032,482.09 : x - Step 2: Convert to fraction form
11,412,088.16/15,739,498.79 = 10,032,482.09/x - Step 3: Cross multiply
11,412,088.16x = 15,739,498.79 × 10,032,482.09 - Step 4: Simplify right side
11,412,088.16x = 157,906,239,587,391.78 - Step 5: Solve for x
x = 157,906,239,587,391.78/11,412,088.16 - Step 6: Final answer
x = 13,836,752.52
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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.