Finding the Fourth Proportional to 19,746,238.68, 27,248,402.70 and 11,487,601.80
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Solution
The fourth proportional to 19,746,238.68, 27,248,402.70 and 11,487,601.80 is: 15,852,072.13
Step by Step Solution
- Step 1: Write the proportion equation
19,746,238.68 : 27,248,402.70 = 11,487,601.80 : x - Step 2: Convert to fraction form
19,746,238.68/27,248,402.70 = 11,487,601.80/x - Step 3: Cross multiply
19,746,238.68x = 27,248,402.70 × 11,487,601.80 - Step 4: Simplify right side
19,746,238.68x = 313,018,799,903,644.88 - Step 5: Solve for x
x = 313,018,799,903,644.88/19,746,238.68 - Step 6: Final answer
x = 15,852,072.13
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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.