Finding the Fourth Proportional to 10,215,277.13, 14,097,178.74 and 5,631,762.53
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Solution
The fourth proportional to 10,215,277.13, 14,097,178.74 and 5,631,762.53 is: 7,771,885.39
Step by Step Solution
- Step 1: Write the proportion equation
10,215,277.13 : 14,097,178.74 = 5,631,762.53 : x - Step 2: Convert to fraction form
10,215,277.13/14,097,178.74 = 5,631,762.53/x - Step 3: Cross multiply
10,215,277.13x = 14,097,178.74 × 5,631,762.53 - Step 4: Simplify right side
10,215,277.13x = 79,391,963,063,006.67 - Step 5: Solve for x
x = 79,391,963,063,006.67/10,215,277.13 - Step 6: Final answer
x = 7,771,885.39
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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.