Finding the Fourth Proportional to 19,201,635.32, 28,802,482.13 and 7,842,083.94
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Solution
The fourth proportional to 19,201,635.32, 28,802,482.13 and 7,842,083.94 is: 11,763,137.82
Step by Step Solution
- Step 1: Write the proportion equation
19,201,635.32 : 28,802,482.13 = 7,842,083.94 : x - Step 2: Convert to fraction form
19,201,635.32/28,802,482.13 = 7,842,083.94/x - Step 3: Cross multiply
19,201,635.32x = 28,802,482.13 × 7,842,083.94 - Step 4: Simplify right side
19,201,635.32x = 225,871,482,504,599.59 - Step 5: Solve for x
x = 225,871,482,504,599.59/19,201,635.32 - Step 6: Final answer
x = 11,763,137.82
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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.