Finding the Fourth Proportional to 21,637,063.36, 29,859,952.08 and 12,346,146.28
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Solution
The fourth proportional to 21,637,063.36, 29,859,952.08 and 12,346,146.28 is: 17,038,141.00
Step by Step Solution
- Step 1: Write the proportion equation
21,637,063.36 : 29,859,952.08 = 12,346,146.28 : x - Step 2: Convert to fraction form
21,637,063.36/29,859,952.08 = 12,346,146.28/x - Step 3: Cross multiply
21,637,063.36x = 29,859,952.08 × 12,346,146.28 - Step 4: Simplify right side
21,637,063.36x = 368,655,336,293,470.25 - Step 5: Solve for x
x = 368,655,336,293,470.25/21,637,063.36 - Step 6: Final answer
x = 17,038,141.00
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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.