Finding the Fourth Proportional to 19,426,135.36, 26,807,362.68 and 10,724,120.68
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Solution
The fourth proportional to 19,426,135.36, 26,807,362.68 and 10,724,120.68 is: 14,798,897.83
Step by Step Solution
- Step 1: Write the proportion equation
19,426,135.36 : 26,807,362.68 = 10,724,120.68 : x - Step 2: Convert to fraction form
19,426,135.36/26,807,362.68 = 10,724,120.68/x - Step 3: Cross multiply
19,426,135.36x = 26,807,362.68 × 10,724,120.68 - Step 4: Simplify right side
19,426,135.36x = 287,485,392,492,848.19 - Step 5: Solve for x
x = 287,485,392,492,848.19/19,426,135.36 - Step 6: Final answer
x = 14,798,897.83
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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.