Finding the Fourth Proportional to 10,515,038.42, 14,499,313.70 and 6,837,134.55
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Solution
The fourth proportional to 10,515,038.42, 14,499,313.70 and 6,837,134.55 is: 9,427,807.55
Step by Step Solution
- Step 1: Write the proportion equation
10,515,038.42 : 14,499,313.70 = 6,837,134.55 : x - Step 2: Convert to fraction form
10,515,038.42/14,499,313.70 = 6,837,134.55/x - Step 3: Cross multiply
10,515,038.42x = 14,499,313.70 × 6,837,134.55 - Step 4: Simplify right side
10,515,038.42x = 99,133,758,620,385.14 - Step 5: Solve for x
x = 99,133,758,620,385.14/10,515,038.42 - Step 6: Final answer
x = 9,427,807.55
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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.