Finding the Fourth Proportional to 7,999,930.94, 12,001,142.94 and 2,607,330.20
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Solution
The fourth proportional to 7,999,930.94, 12,001,142.94 and 2,607,330.20 is: 3,911,401.57
Step by Step Solution
- Step 1: Write the proportion equation
7,999,930.94 : 12,001,142.94 = 2,607,330.20 : x - Step 2: Convert to fraction form
7,999,930.94/12,001,142.94 = 2,607,330.20/x - Step 3: Cross multiply
7,999,930.94x = 12,001,142.94 × 2,607,330.20 - Step 4: Simplify right side
7,999,930.94x = 31,290,942,421,978.79 - Step 5: Solve for x
x = 31,290,942,421,978.79/7,999,930.94 - Step 6: Final answer
x = 3,911,401.57
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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.