Finding the Fourth Proportional to 19,376,994.80, 29,044,756.20 and 6,585,647.60
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Solution
The fourth proportional to 19,376,994.80, 29,044,756.20 and 6,585,647.60 is: 9,871,423.87
Step by Step Solution
- Step 1: Write the proportion equation
19,376,994.80 : 29,044,756.20 = 6,585,647.60 : x - Step 2: Convert to fraction form
19,376,994.80/29,044,756.20 = 6,585,647.60/x - Step 3: Cross multiply
19,376,994.80x = 29,044,756.20 × 6,585,647.60 - Step 4: Simplify right side
19,376,994.80x = 191,278,528,961,115.09 - Step 5: Solve for x
x = 191,278,528,961,115.09/19,376,994.80 - Step 6: Final answer
x = 9,871,423.87
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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.