Finding the Fourth Proportional to 9,475,905.96, 13,076,749.80 and 5,124,992.58
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Solution
The fourth proportional to 9,475,905.96, 13,076,749.80 and 5,124,992.58 is: 7,072,489.53
Step by Step Solution
- Step 1: Write the proportion equation
9,475,905.96 : 13,076,749.80 = 5,124,992.58 : x - Step 2: Convert to fraction form
9,475,905.96/13,076,749.80 = 5,124,992.58/x - Step 3: Cross multiply
9,475,905.96x = 13,076,749.80 × 5,124,992.58 - Step 4: Simplify right side
9,475,905.96x = 67,018,245,695,516.49 - Step 5: Solve for x
x = 67,018,245,695,516.49/9,475,905.96 - Step 6: Final answer
x = 7,072,489.53
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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.