Finding the Fourth Proportional to 19,210,365.61, 26,510,932.84 and 10,950,277.79
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Solution
The fourth proportional to 19,210,365.61, 26,510,932.84 and 10,950,277.79 is: 15,111,741.50
Step by Step Solution
- Step 1: Write the proportion equation
19,210,365.61 : 26,510,932.84 = 10,950,277.79 : x - Step 2: Convert to fraction form
19,210,365.61/26,510,932.84 = 10,950,277.79/x - Step 3: Cross multiply
19,210,365.61x = 26,510,932.84 × 10,950,277.79 - Step 4: Simplify right side
19,210,365.61x = 290,302,079,085,683.94 - Step 5: Solve for x
x = 290,302,079,085,683.94/19,210,365.61 - Step 6: Final answer
x = 15,111,741.50
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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.