Finding the Fourth Proportional to 19,232,661.36, 28,803,195.64 and 11,128,557.90
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Solution
The fourth proportional to 19,232,661.36, 28,803,195.64 and 11,128,557.90 is: 16,666,337.77
Step by Step Solution
- Step 1: Write the proportion equation
19,232,661.36 : 28,803,195.64 = 11,128,557.90 : x - Step 2: Convert to fraction form
19,232,661.36/28,803,195.64 = 11,128,557.90/x - Step 3: Cross multiply
19,232,661.36x = 28,803,195.64 × 11,128,557.90 - Step 4: Simplify right side
19,232,661.36x = 320,538,030,384,767.56 - Step 5: Solve for x
x = 320,538,030,384,767.56/19,232,661.36 - Step 6: Final answer
x = 16,666,337.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.