Finding the Fourth Proportional to 8,537,150.78, 11,781,946.75 and 5,441,064.09
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Solution
The fourth proportional to 8,537,150.78, 11,781,946.75 and 5,441,064.09 is: 7,509,100.99
Step by Step Solution
- Step 1: Write the proportion equation
8,537,150.78 : 11,781,946.75 = 5,441,064.09 : x - Step 2: Convert to fraction form
8,537,150.78/11,781,946.75 = 5,441,064.09/x - Step 3: Cross multiply
8,537,150.78x = 11,781,946.75 × 5,441,064.09 - Step 4: Simplify right side
8,537,150.78x = 64,106,327,312,807.48 - Step 5: Solve for x
x = 64,106,327,312,807.48/8,537,150.78 - Step 6: Final answer
x = 7,509,100.99
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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.