Finding the Fourth Proportional to 19,382,553.09, 26,748,102.65 and 10,681,037.10
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Solution
The fourth proportional to 19,382,553.09, 26,748,102.65 and 10,681,037.10 is: 14,739,930.05
Step by Step Solution
- Step 1: Write the proportion equation
19,382,553.09 : 26,748,102.65 = 10,681,037.10 : x - Step 2: Convert to fraction form
19,382,553.09/26,748,102.65 = 10,681,037.10/x - Step 3: Cross multiply
19,382,553.09x = 26,748,102.65 × 10,681,037.10 - Step 4: Simplify right side
19,382,553.09x = 285,697,476,705,853.12 - Step 5: Solve for x
x = 285,697,476,705,853.12/19,382,553.09 - Step 6: Final answer
x = 14,739,930.05
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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.