Finding the Fourth Proportional to 19,494,488.51, 26,902,400.70 and 10,674,497.63
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Solution
The fourth proportional to 19,494,488.51, 26,902,400.70 and 10,674,497.63 is: 14,730,810.32
Step by Step Solution
- Step 1: Write the proportion equation
19,494,488.51 : 26,902,400.70 = 10,674,497.63 : x - Step 2: Convert to fraction form
19,494,488.51/26,902,400.70 = 10,674,497.63/x - Step 3: Cross multiply
19,494,488.51x = 26,902,400.70 × 10,674,497.63 - Step 4: Simplify right side
19,494,488.51x = 287,169,612,513,460.38 - Step 5: Solve for x
x = 287,169,612,513,460.38/19,494,488.51 - Step 6: Final answer
x = 14,730,810.32
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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.